Best 1 Handheld Wireless Microphones Systems in 2026

Rechargeble Microphone: ●No need to purchase additional AA batteries. ●The microphone and receiver are both built-in 1200 mAh rechargeable lithium-ion battery. work time up to 7 plus hours with charging time 3-4 hours.●The charging cable are included in package,support charging the dual microphones and receiver in one cable at the same time.●Cool led light ring (working in green,charging in red),and a enhance fashion clear white led display.

UHF Wireless Microphone(Pro): ●The microphone adopts UHF frequency band(Use lawful signal bands with US FCC ID), Open Place: UHF distance240FT/75m,Signal Stability●Receiver with Bluetooth, Or as a Bluetooth receiver to play music on old speakers.Turn on the receiver, search for the Bluetooth name: Bietrun, Play your music for karaoke. Bluetooth 32ft/10m.

Dynamic Vocal Microphone: Built-in Dynamic Unidirectional microphone core (dB value: 95dB/Audio Signal Sampling: 48 Khz/Frequency Response: 50hz - 16khz), Built-in boost circuit design to Vocal is clearer.●The mic outer case is alloy material which is harder, lighter and more wear-resistant, This microphone has a better weight and grip experience.●for conference, speech, web podcast, Yoga instructor, church, family party, opening ceremony, dancing instructor, promotion etc.

RECHARGEABLE MIC/RECEIVER WITH BLUETOOTH: No need battery, the microphone and receiver are both built-in 1200mAh rechargeable lithium-ion battery,work time up to 7 plus hours with charging time 3-4 hours. The Receiver with Bluetooth Function (Bluetooth Distance:32ft/10m, Name:Bietrun).

Premium UHF CORDLESS MICROPHONE: With 15 adjustable frequencies per wireless mic, which provide the long transmission distance. Operating distance is 240FT/75m in open space.★No Delay★No Radiation★Anti-Howling★Anti-Jamming ★Cardioid Microphone★All Metal Design★

PLUG AND PLAY: Auto connect, long press the microphone tail switch to turn on the microphone. Only for input devices with 6.35mm (1/4") or 3.5mm (1/8") MIC interface, E.g speaker, Singing machine, audio amplifier, PA system, Voice amplifier, truck speaker system, Dome speaker system etc. Receiver with Bluetooth, Or as a Bluetooth receiver to play music on old speakers.●Turn on the receiver, search for the Bluetooth name: Bietrun, Play your music for karaoke.

RECHARGEABLE MIC/RECEIVER WITH BLUETOOTH: No need battery, the microphone and receiver are both built-in 1200mAh rechargeable lithium-ion battery,work time up to 7 plus hours with charging time 3-4 hours. The Receiver with Bluetooth Function (Bluetooth Distance:32ft/10m, Name:Bietrun).

Premium UHF CORDLESS MICROPHONE: With 15 adjustable frequencies per wireless mic, which provide the long transmission distance. Operating distance is 240FT/75m in open space.★No Delay★No Radiation★Anti-Howling★Anti-Jamming ★Cardioid Microphone★All Metal Design★

PLUG AND PLAY: Auto connect, long press the microphone tail switch to turn on the microphone. Only for input devices with 6.35mm (1/4") or 3.5mm (1/8") MIC interface, E.g speaker, Singing machine, audio amplifier, PA system, Voice amplifier, truck speaker system, Dome speaker system etc. Receiver with Bluetooth, Or as a Bluetooth receiver to play music on old speakers.●Turn on the receiver, search for the Bluetooth name: Bietrun, Play your music for karaoke.

Long Wireless Signal and Adjustable 15 Frequency Channel: ●The microphone adopts UHF frequency band and which provide the long transmission distance (Open Place: UHF distance 168ft/50m, Bluetooth 32ft/10m), low delay and crystal clear sound quality.●If you use multiple microphones at the same time, Click the “CH” button at the end of the microphone to adjust the channel.

Rechargeble Microphone: ●No need to purchase additional AA batteries. ●The microphone and receiver are both built-in 1200 mAh rechargeable lithium-ion battery. work time up to 7 hours with charging time 3-4 hours.●Cool led light ring (working in green,charging in red),and a enhance fashion clear white led display.

Easy to Use:●Plug and play, no need to pair, long press the "PWR·VOL" button to turn on the microphone. Only for input devices with 6.35mm (1/4") or 3.5mm (1/8") MIC port, E.g speaker, Singing machine, audio amplifier, PA system, Voice amplifier, truck speaker system, Dome speaker system etc. ●Receiver with Bluetooth.Turn on the receiver and insert it into your audio device, search for the Bluetooth name: Bietrun, Play your music for karaoke.

Rockville RMC-XLR High-End Metal Handheld Wired Microphone Mic Amazing Sound!

Mic Features: M-56 Cartridge. Full metal mic body. Type: dynamic. Neodymium magnet.

Polar Pattern: uni-directional. Frequency Response: 80 - 13Khz. Impedance: 600 Ohms ± 30%.

Rockville RWM65U dual UHF 15 channel metal handheld wireless microphone system

Includes: metal receiver with LED display. 2 metal handheld mics with LED display. ¼” to ¼” Audio output cable. Ac adapter (5 feet). 2 antennas. Batteries x 4 (AA batteries). owner manual. Warranty card

Rockville RWM65U dual wireless microphone system. Uhf frequency band for interference free operation. 15 selectable frequency channels (per mic) for interference free operation. Convenient channel switching at the push of a button on the mic. Built in Dual antenna fail-safe system that will automatically switch antennas if there is interference. (2) high sensitivity metal handheld wireless UHF microphones

Features: Rockville RWM132V VHF Dual Channel Handheld Wireless Microphone System, Large display on receiver + digital display on each mic, Each mic is large and solid with a nice weighted feel, Improved high performance wireless handheld microphone capsule, These mics are extremely sensitive which is great because you can keep the mic further away from your mouth and still get clear sound, Includes transmitter with two handheld, high sensitivity, unidirectional, wireless cardioid microphones

Featuring a dual filter design to limit feedback and interference, Ultra-signal stability eliminates unwanted distortion, Transmitter automatically links to receiver for ease of use, Use two handheld mics at once with no interference, Individual microphone volume controls, Low power consumption for longer battery life, System comes in 5 different frequency options. You can request a specific one in the notes-A. 225. 1/227. 1 MHZ, B. 224. 9/256. 9 MHZ, C. 228. 9/253. 4 MHZ, D. 230. 8/225. 8 MHZ.

Microphone Length: 9. 69”, Microphone Windscreen Diamater: 3. 15”, Microphone Body Diameter: 2. 22”, Receiver Dimensions: 8. 27” x 5. 4” x 1. 57”

Features of RWM72U: Rockville RWM72U Dual UHF Wireless Handheld Microphone System Digital Display, High performance and long range, Includes microphone receiver and (2) handheld microphones, High sensitivity cartridge, Unidirectional, wireless cardioid polar pattern, Dual filter design to limit feedback and interference

Durable composite microphone construction with our signature comfortable rubbery coating, Color coded microphones, LCD display, Low power consumption for longer battery life, Latest UHF digital technology is controlled by a central microchip to ensure stable voice quality

(2) Individual XLR outputs if you want to control each mic mix separately, Mixed ¼” TRS output to control both mics through one channel on your mixer, Individual microphone volume controls, 110/220 volt auto-switching power supply for worldwide use

Rockville rwm3300ua 200 Channel UHF Wireless dual handheld microphone mic system

High performance wireless hand held microphone system. Includes rwm3300ua transmitter with (2) hand Held, high sensitivity, unidirectional, wireless cardioid microphones. Professional rack mount design with LCD displays. Featuring a dual filter design to limit feedback and interference. Individual microphone volume Control. Comfortable ergonomic composite microphone construction

Low power consumption for longer battery life. Ultra signal stability minimizes audio artifacts. Osa technology: locates, prioritizes, and selects the clearest frequency for the best sound quality. The display on the mic and the receiver Show The battery life. Operating range*: 200´-260´(indoor), 160´-220´(outdoor). channel: 200 channel selection

Rockville RWM1203VH VHF Dual Channel Handheld Wireless Microphone System. Large display on receiver + digital display on each mic. Each mic is large and solid with a nice weighted feel.

Improved high performance wireless handheld microphone capsule. Includes transmitter with two handheld, high sensitivity, unidirectional, wireless cardioid microphones.

Featuring a dual filter design to limit feedback and interference. Ultra signal stability eliminates unwanted distortion.

Features: Rockville RWM-4Z Quad Wireless UHF 4 Microphone System w/Adjustable Frequency. 20 Adjustable Unique Frequencies on each microphone ensures interference free operation (80 Total frequencies). Easy frequency switching by simply hitting the button on the microphone or bodypack transmitter. Professional 19” metal rack mount receiver with LCD display. Illuminated rotary knobs.

One button frequency switching allows you to hit the button on any of the microphones or transmitters and the frequency will change on that microphone and auto-sync with the receiver. The display on the microphone shows channel, frequency, battery life. The display on the receiver shows RF signal strength, AF signal strength, frequency channel, battery life of each handheld mic. Operating Range: 300´ – 400´(indoor), 250´ – 350´(outdoor).

Each mic uses different channel groups so that you will not get interference from one microphone to the other (There are 80 total different channels on this system – 20 unique frequencies per mic). Ergonomic metal microphones are extremely high quality and have a nice weight and feel to it. Individual XLR outputs for each microphone to send each microphone to their own mixer channel. XLR and ¼” mix output to send all 4 mics to one mixer channel.

Rockville RWM81U Dual Wireless UHF Headset Microphone System. High performance wireless headset microphone system. Includes transmitter with two high sensitivity, unidirectional, wireless, cardioid headset microphones.

Featuring a dual filter design to limit feedback and interference. Ultra signal stability eliminates unwanted distortion. Professional receiver with multifunction color displays shows frequency, signal synch, and audio input.

Transmitter automatically links to receiver for ease of use. Use any two mics (handheld or headset) at once. Individual microphone volume controls. Rugged metal housing. Comfortable ergonomic composite microphone construction.

RockvilIe RWM1203VH Wireless (2) HandHeld Microphones 4 Church Sound Systems, Large display on receiver + digital display on each mic, Each mic is large and solid with a nice weighted feel, Improved high performance wireless handheld microphone capsule, Includes transmitter with two handheld, high sensitivity, unidirectional, wireless cardioid microphones, Featuring a dual filter design to limit feedback and interference

Ultra signal stability eliminates unwanted distortion, Transmitter automatically links to receiver for ease of use, Use two handheld mics at once, Individual microphone volume controls, Low power consumption for longer battery life, System comes in 4 different frequency options. You can request a specific one in the notes A. 255.1/227.1 MHZ, B. 224.9/256.9 MHZ, C. 228.9/253.4 MHZ, D. 230.8/255.8 MHZ

Specifications of RWM1203VH: System: Operating Range: 150 feet or more, Channel: Two Channel, Frequency Range: 210MHz - 270MHz, Frequency Response: 40Hz-18KHz, S/N.:>103dB (1KHz-A), Operating Temp: 14°F – 122°F, Oscillation Mode: Quartz Crystal, Frequency Stability: ±0.005%, Harmonic Radiation :< 63dBm

Features of RWM1202VH: Rockville RWM1202VH VHF Wireless Dual HandHeld Microphone System w/ Mic Receiver , Improved high performance wireless handheld microphone capsule , Includes transmitter with two handheld, high sensitivity, unidirectional, wireless cardioid microphones , Featuring a dual filter design to limit feedback and interference.

Ultra signal stability eliminates unwanted distortion, Transmitter automatically links to receiver for ease of use, Use two handheld mics at once, Individual microphone volume controls, Rugged metal housing , Comfortable ergonomic composite microphone construction, Low power consumption for longer battery life

Specifications of RWM1202VH: System: Operating Range: 100'-200'(indoor), 65'-165'(outdoor), Channel: Two Channel, Frequency Range: 170MHz - 260MHz, Frequency Response: 80MHz-12000MHz, Frequency Width: 32Mhz, Dynamic Range: 110dB, Operating Temp: 14°F – 122°F.

Includes: 2 wireless handheld microphones. 1 receiver unit. User manual. Batteries. Power adapter.

Rockville RWM1202VH VHF Dual Channel Handheld Wireless Microphone System. mproved high performance wireless handheld microphone capsule. Includes transmitter with two handheld, high sensitivity, unidirectional, wireless cardioid microphones. Featuring a dual filter design to limit feedback and interference.

Ultra signal stability eliminates unwanted distortion. Transmitter automatically links to receiver for ease of use.Use two handheld mics at once. Individual microphone volume controls. Rugged metal housing. Comfortable ergonomic composite microphone construction. Low power consumption for longer battery life.

Features: Rockville RKI60 Dual UHF Wireless Microphone w/ Karaoke Interface+Mic Mixer. Connects to any home audio receiver, television iPads, computers, and more. 3.5 mm aux inputs.

Optical input. Coaxial input. ¼” TS mix output Output passes through the signal of all the mics, as well as any input device. 3.5 mm aux output passes through the signal of all the mics, as well as any input.

Front ¼” TS mic input. 2 UHF wireless microphones with 8 switchable frequencies. Each mic has a nice heavy feel to it and has a digital display making it easy to switch frequencies. Adjustable echo level. Adjustable Dry/Wet Echo control. Adjustable music input volume. Independent adjustable Mic levels. Wireless frequency range:. Mic A: 556.1 558.4 560.7 562.2 564.5 566.8 568.3 570.6. Mic B: 574.1 576.4 578.7 580.2 582.5 584.8 586.3 588.6.

Package Includes: (1) Rockville RPG122K Dual 12" Powered Speakers, Bluetooth+Mic+Speaker Stands+Cables. (1) Rockville RWM1203VH VHF Wireless Dual HandHeld Microphone System/Digital Display. (1) Rockville RCDR10B 10' Dual RCA to Dual RCA Pro Audio Cable 100% Copper. (1) Rockville RNRMR10 10' 3.5mm 1/8" TRS to Dual RCA Cable. (1) Rockville iStand 20 Tablet/Smart Phone Tripod Stand-Fits iPhone iPad Galaxy+More

What's Included of RPG122K: (2) 12" DJ/PA Speakers (1 active, and 1 passive that gets powered through the active via included 1/4" cable). (2) Rugged Tr. Speaker Stands. (1) Wired Microphone. (1) Mic Clip. (1) XLR to XLR Cable for the Microphone. (1) 19 Ft. 1/4" Cable for Active to Passive Speaker Connection. (1) Power Cable for Active Speaker. (1) Wireless Remote Control. Owner's Manual. Warranty Card.

Includes of RWM1203VH: 2 wireless handheld microphones. 1 receiver unit. User manual. Batteries. Transfer Cable. Features: Rockville RWM1203VH VHF Dual Channel Handheld Wireless Microphone System. Large display on receiver + digital display on each mic. Each mic is large and solid with a nice weighted feel. Improved high performance wireless handheld microphone capsule. Includes transmitter with two handheld, high sensitivity, unidirectional, wireless cardioid microphones.

Rockville RWM-U2 20 Ch Dual UHF Handheld Rechargeable Wireless Microphone System.

Mics charge when docked in the receiver. 20 Switchable Channels on each mic (20 x 2). Switchable frequency uses one-key paring making it easy to change the channel on the fly so you can always get a clear interference free signal in any location. The 2 handheld mics are metal with a removable lithium battery.

Mics feature unidirectional cardioid patterns with high sensitivity and amazing frequency range. Mic display shows frequency channel, battery life, signal strength. Receiver display shows RF signal, AF signal, and frequency per mic.

Package Includes: (1) Rockville RPG122K Dual 12" Powered Speakers, Bluetooth+Mic+Speaker Stands+Cables. (1) Rockville RWM65U Dual UHF 15 Channel Metal Handheld Wireless Microphone System

What's Included of RPG122K: (2) 12" DJ/PA Speakers (1 active, and 1 passive that gets powered through the active via included 1/4" cable). (2) Rugged Tripod Speaker Stands. (1) Wired Microphone. (1) Mic Clip. (1) XLR to XLR Cable for the Microphone. (1) 19 Ft. 1/4" Cable for Active to Passive Speaker Connection. (1) Power Cable for Active Speaker. (1) Wireless Remote Control. Owner's Manual. Warranty Card.

Features: Rockville Power GIG RPG122K (2) 12" DJ/PA Speakers with Stands, Microphone, and Cables . 1000 Watts Peak / 250 Watts RMS / 500 Watts Program Power. High Power 12" Long-throw Woofer with 2" aluminum voice coil for clear sound reproduction and awesome bass response. 25mm Piezo Compression Horn Tweeter For Clear Highs. Bluetooth Built In. TWS linking of 2 systems together wirelessly through Bluetooth.

Rockville RWM4200VH VHF Wireless (4) HandHeld Microphone System.

Rack Mount Ears Included. Digital display on receiver and on each microphone.

High performance wireless hand held microphone system.

Package Includes: (1) SAMSON Stage 212 Dual VHF Handheld Wireless Microphone Mic System w (2) Q6 Mics, (1) Rockville Stand 20 Tablet/Smart Phone Tripod Stand-Fits Tablets, Iphone, Samsung Etc.

Features of SWS212HH-E: SAMSON Stage 212 Dual VHF Handheld Wireless Microphone System w (2) Q6 Mics, Stage 212 Wireless System, Dual-channel VHF wireless system, 12 operating channels across 173MHz–198MHz frequency range, Up to three simultaneous systems per frequency band (region dependent), AC adapter included, SR212 Wireless Receiver, Rugged metal chassis, IR sync wirelessly matches receiver and transmitter frequency

Dedicated Volume controls for each channel, 1/4" outputs for sending each channel to mixer, Balanced XLR Mix output combines both receiver signals to a single output channel, VH212 Handheld Transmitters, Two Q6 Dynamic Microphone capsules, Each offers up to 12 hours of battery life using two AA batteries (not included), 200' operating range (line-of-sight)

Fully metal wired mic. (2) 100% OFC Copper Mic cables (XLR to + XLR to XLR ). Mic clip. Plastic carry case. Owners manual. Warranty. Features:

RockvilIe RMC-XLR High-End Metal Handheld Wired Microphone Mic Amazing Sound!. Mic Features: M-56 Cartridge. Full metal mic body. Type: dynamic. Neodymium magnet. Polar Pattern: uni-directional

Frequency Response: 80 - 13Khz. Impedance: 600 Ohms 30%. Sensitivity: -72 3dB. Case Features: High quality plastic carry case protects the mic during transportation

Rockville RWM60U Single Wireless UHF Headset Microphone System. High performance wireless microphone system.

Includes transmitter with one high sensitivity, unidirectional, wireless cardioid headset microphone.

High sensitivity, unidirectional, wireless cardioid microphone. Featuring a dual filter design to limit feedback and interference.

Package Includes: (1) RockvilIe GB1 Portable Powered PA System W/ Mixer+Speakers+Stands+Mic. (1) RockvilIe RWM4200VH Wireless Quad HandHeld Microphone System. Features: RockvilIe GB1 GIG-IN-A-BOX Portable PA System Mixer/Amp+Speakers+Stands+Mic+Case. 600 Watts (300 x 2 Channel). 7 combination XLR 1/4" inputs. Bluetooth wireless audio playback. RCA/3.5 TRS media inputs. USB MP3 playback. Digital multi-effects. LCD screen for ease of file playback and effect selection

Two folding speaker stands. Two 15' speaker cables. Storage compartment for optional accessories. Convenient package with luggage-style wheels. Custom rubberized knobs. 7 channels. Two-way speaker system with 10" woofer. Seven-band graphic equalizer. Frequency Response: 40 Hz to 20 kHz +/-3 dB. Overload Protection: 10 dB of DDT that limits the PA output to preventclipping that can damage the speakers. Distortion: Less than 0.2% THD @ Max power. Signal/Noise Ratio: 88 dB mic input typical

AC Power: 115 V AC 60 Hz or 230 V AC 50/60 Hz. Weight Assembled: 50 lbs. (22.67 kg)(stands included). Dimensions: 14.5 H x 36.75 W x 15.5 D (36.8 cm x 93.3 cm x 39.4 cm). Speakers: Woofer 10 (254 mm). Piezoelectric Horn Tweeter. RockvilIe RWM4200VH Wireless (4) HandHeld Microphone System. Rack Mount Ears Included. Digital display on receiver and on each microphone. High performance wireless hand held microphone system

(1) Rockville RPG8 400 Watt 2-Way DJ/PA Powered Speaker. (1) Rockville RWM1203VH VHF Wireless Dual HandHeld Microphone System/Digital Display. Features: Rockville RPG8 8" Active/Powered 400 Watts DJ PA Speaker System. 100-Watt RMS / 200 Watts Program Power / 400 Watts Peak. High power long-throw 8'' woofer with 2" aluminum voice coil provides incredibly deep bass and acoustic power. Frequency Response: 50Hz-20KHz. Maximum SPL @1w/1m: 119dB peak / 116dB continuous

High-power 2-way pro sound reinforcement speaker system for live sound and playback applications. Compact and light weight system delivers distortion free sound even at extreme SPL. Linear Class AB amplifier technology: high power, transparent sonic performance. Internal switch-mode power supply for low distortion audio with superior transient response. Built-in bass and treble equalization processor for ultimate system control and speaker protection

State-of-the-art 1.35'' Japanese made pure titanium-diaphragm compression driver for crystal clear high-frequency reproduction. Ultra-wide dispersion, 40 large-format horizontal wave guide horn molded directly into cabinet. Ultra-low noise Mic / Line input via XLR & 1/4-inch stereo jacks with volume control. Line RCA and XLR input with separate Gain adjustment. Additional balanced line output via ¼” for linking of additional speaker systems

Package Includes: (1) SAMSON Stage 212 Dual VHF Handheld Wireless Microphone Mic System w (2) Q6 Mics. (1) Rockville ROCK EVERYWHERE Portable Bluetooth Speaker/Waterproof/Wireless Link. Features: SAMSON Stage 212 Dual VHF Handheld Wireless Microphone System w (2) Q6 Mics. Stage 212 Wireless System Dual-channel VHF wireless system 12 operating channels across 173MHz198MHz frequency range Up to three simultaneous systems per frequency band (region dependent) AC adapter included

Dual-channel VHF wireless system. 12 operating channels across 173MHz198MHz frequency range. Up to three simultaneous systems per frequency band (region dependent). AC adapter included. SR212 Wireless Receiver Rugged metal chassis IR sync wirelessly matches receiver and transmitter frequency Dedicated Volume controls for each channel 1/4" outputs for sending each channel to mixer Balanced XLR Mix output combines both receiver signals to a single output channel. Rugged metal chassis

IR sync wirelessly matches receiver and transmitter frequency. Dedicated Volume controls for each channel. 1/4" outputs for sending each channel to mixer. Balanced XLR Mix output combines both receiver signals to a single output channel. VH212 Handheld Transmitters Two Q6 Dynamic Microphone capsules Each offers up to 12 hours of battery life using two AA batteries (not included) 200' operating range (line-of-sight). Two Q6 Dynamic Microphone capsules

Features of RWM23UA: Rockville RWM23UA UHF Wireless Pro Rack Mount Dual Microphone System, 20 Switchable Channels on each mic (20 x 2), Switchable frequency uses one-key paring making it easy to change the channel on the fly, The 2 handheld mics are metal with ABS battery covers that eliminate antenna interference.

Mics feature unidirectional cardioid patterns with high sensitivity and amazing frequency range, Professional rack mount design with dual LCD displays, 2 Antenna inputs (includes antennas), ¼” or XLR mix outputs will send both mic signals to a mixer or speaker.

Separate channel 1 and channel 2 mic outputs allow you to send each mic to a separate channel on your mixer so you can EQ each mic individually, Low power consumption for longer battery life, Featuring a dual filter design to limit feedback and interference, Individual microphone volume control, Ultra signal stability minimizes audio artifacts.

Package Includes: (1) AKG DMS100 4-Channel Digital Handheld Wireless Microphone Mic System 2.4GHZ. (1) Rockville PRO-M50 Studio Headphones+Detachable Coil Cable+Case+Extra Ear Pad

Item Includes of DMS100: 1x HT100 Handheld Microphone/Transmitter. 1x SR100 Stationary Receiver. 1x Universal AC Power Adapter. 1x Microphone Stand Adapter. 2x AA Batteries. Features: Easy Setup and Operation - Seamless setup and operation of up to four simultaneous, coexisting DMS100 systems. Wireless Range - 30m (100') operating range. Long-Lasting Power - Up to 12-hour battery life using 2x AA batteries. High-Resolution Sound - 24-bit, 48kHz digital audio resolution.

Rack Mountable - Optional rackmount kit available. Specifications: Carrier frequency: Digital 2.4 GHz. Encryption: 256-bit AES. Simultaneous operation: Yes, up to 4 coexisting systems. Working range: 100 ft. (30 m). Latency: <=2.9 ms. Frequency/channel selection: Adaptive channel selection. Diversity wireless: Antenna, time, frequency. Frequency response: 70 Hz - 20 KHz +1/-3 dB. Dynamic range: 116 dB @ 1 KHz. Signal-to-noise: >90 dBA. Transmitter battery: 2x AA alkaline.