Daisy
Last Updated: Feb 7, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SoundsGoodStereo | 6.49 | ✅ | ✅ | ✅ |
Input Sensitivity: 125mV–5V (Low Level) / 1V–40V (High Level)
Signal-to-Noise Ratio: 95dB
Frequency Response (Hz): 10Hz-20kHz
Power (watts/ch) 4 Ohm Stereo: 65x4
Power (watts/ch) 2 Ohm Stereo: 90x4
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Includes: Amplifier. Bass Remote. Birth sheet with tested power. Owner’s manual. Mounting Screws. Warranty.
Rockville dB55 4000 Watt/2000 Watt RMS 5 Channel Amplifier. CEA Compliant Power Ratings (Rated at less than 1 % distortion) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 120 Watts x 4 + 500 Watts x 1 <1% THD+N. 4 Ohm: 80 Watts x 4 + 300 Watts x 1 <1% THD+N.
RMS Power Ratings: (Use these RMS ratings when comparing with great brands such as Hifonics, Earthquake, Soundstream, etc). 2 Ohm 240 Watts x 4 + 1000 Watts x 1. 4 Ohm: 160 Watts x 4 + 600 Watts x 1. Peak: (The amount of power the amplifier can produce for a split second at the loudest part of a song. 2 Ohm 480 Watts x 4 + 2000 Watts x 1. 4 Ohm: 320 Watts x 4 + 1200 Watts x 1.
High-Speed MOSFET Power Supply. Rugged switching MOSFETs for Class D in CH5. Under Voltage Protection at 10V. Over Voltage Protection at 16V. Optical Coupler Class “AB” +“D” Technology. Studio-Grade Bipolar Output Stage Transistors. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: (CH1-CH4)40Hz –4KHz /(CH5)50Hz –250Hz. High Pass Filter: 15Hz – 4KHz. Subsonic Filter: 15Hz - 55Hz.
Full IC-Controlled Protection Circuitry. Remote Dashboard Subwoofer Control. Fully Adjustable 12dB Bass Equalizer. Mute and Delay Soft Start System. 8 Volt Preamp Circuitry. Status Mode LED Indicator. Minimum THD at Rated Power: < 0.05%. S / N Ratio: >90dB. Frequency Response: 15-35KHz. Damping Factor: >100@ 100Hz. 40 Amp x3. Dimensions: (W x H x L) 9'' x 2.4' x 18.6".
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Includes: Amplifier. Birth sheet with tested power. Owner’s manual. Mounting Screws. Warranty.
Features: Rockville dB45 3200 Watt/800 Watt Dyno-Certified RMS 4 Channel Amplifier Car Stereo Amp, Loud!!.
Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). - 2 Ohm: 200 Watts x 4 Channel <1% THD+N . - 4 Ohm:135 Watts x 4 Channel <1% THD+N. - 4 Ohm Bridged: 400Watts x 2 Channel<1% THD+N.
Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). - 2 Ohm: 800 Watts x 4 Channel. - 4 Ohm:540 Watts x 4 Channel. - 4 Ohm Bridged: 1600 Watts x 2 Channel. High-Speed MOSFET Power Supply. Under Voltage Protection at 10V. Over Voltage Protection at 16V. Tertiary Supplies Circuitry. Optical Coupler Class “AB” Technology. Studio-Grade Bipolar Output Stage Transistors.
Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 50Hz - 3KHz. High Pass Filter: 15Hz - 1KHz. Full IC-Controlled Protection Circuitry. Fully Adjustable 12dB Bass Equalizer. Mute and Delay Soft Start System. 8 Volt Preamp Circuitry. Status Mode LED Indicator. Minimum THD at Rated Power: < 0.05%. S / N Ratio: >90dB. Frequency Response: 10Hz - 50KHz. Damping Factor: >150 @ 100Hz. 35 Amp*3 ATC Fuse. Dimensions: (W x H x L) 9" x 2.4" x 21.0"
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HiFi-Soundconnection | 9.74 | ❌ | ❌ | ❌ |
New Kicker 43CXA3004 300W 4-Channel Car Audio Power Amplifier Amp Stereo CX300.4
75W x 4 @ 14.4V
150W x 2 @ 14.4V, 4-Ohm bridged mono
600W @ 15.6V
Class AB
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Audiosavings | 9.74 | ❌ | ❌ | ❌ |
Features:. . Rockville KRYPTON M3 4000 Watt Peak and 1000w RMS Class D 1 Ohm Stable Mono Amplifier With Voltage Display. Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc).
1 Ohm: 1000 Watts x 1 Channel <1% THD+N (71% efficient). 2 Ohm: 700 Watts x 1 Channel <1% THD+N (79% efficient). 4 Ohm: 400 Watts x 1 Channel <1% THD+N (84.5% efficient). Peak: (Use these ratings when comparing with great brands such as Boss, Power Acoustik, etc).
1 Ohm:4000 Watts x 1 Channel. 2 Ohm:2800 Watts x 1 Channel. 4 Ohm:1600 Watts x 1 Channel. Digital Voltage Display on Amp (Accurate within 0.15V). Power/Protect/Clip LED Indicators on the front panel. Power/Protect/Clip LED Indicators on Remote control.
Clip indicator on the bass remote allows you to quickly set any song to right before clipping in real time. High-Speed MOSFET Power Supply. Optical Coupler Class “D” Technology. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry.
Low Pass Filter: 50Hz - 250Hz. Subsonic Filter: 15Hz - 55Hz. Phase Control Switch. Full IC-Controlled Protection Circuitry. Remote Dashboard Subwoofer Control. Fully Adjustable 12dB Bass Equalizer. Mute and Delay Soft Start System.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Audiosavings | 9.74 | ❌ | ❌ | ❌ |
Rockville KRYPTON F2 2400w Peak/600w Dyno-Certified RMS 4 Channel Amplifier Car Stereo Amp.
Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 150 Watts x 4 Channels <1% THD+N. 4 Ohm: 100 Watts x 4 Channels <1% THD+N.
4 Ohm Bridged: 300 Watts x 2 Channel. Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 2 Ohm: 600 Watts x 4 Channels. 4 Ohm: 400 Watts x 4 Channels. 4 Ohm Bridged: 1200 Watts x 2 Channels.
All channels on the amp have crossovers so they can each be used for subs or full range speakers or tweeters or midrange speakers. All channels on the amplifier are bridgeable. Digital Voltage Display on Amp.
Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Adjustable Subsonic Filter: 15Hz -40Hz (This filter is on the HPF knob). Adjustable Low Pass Filter: 40Hz – 4KHz. Adjustable Band Pass Filter: 15 Hz - 4 kHz (use both the HPF and LPF filter). Adjustable High Pass (Subsonic) Filter: 15 Hz - 4 kHz
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| A Sales | 9.91 | ❌ | ❌ | ❌ |
KXM Series 1200 Watt Marine Subwoofer Amplifier
Continuous RMS Power [watts/channel] @ 14.4V, 2-Ohm mono
24dB/octave, variable 40-160Hz, low pass only;
variable to +18dB, centered 20-80Hz, variable Q 1-5
Remote Bass Control (included)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HiFi-Soundconnection | 9.74 | ❌ | ❌ | ❌ |
New for 2017!
Gain Control With "Optimal Input" Indicator
FIT2 (Fail-Safe Integration Technology) Circuitry
Variable 24dB Crossover
DSP-Controlled Preamp
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Creative Audio | 9.88 | ❌ | ❌ | ❌ |
Comes with 100% OFC Power Cable
Direct Connect Engineered to work well together with the highest current capacity possible.
Easy install thanks to Kicker Hyper-Flex technology
Contains Remote turn on wire, fuse and fuse holder.
K-Series RCA interconnects
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Kicker | 5 |
| Rockville | 4 |
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