Best 2 Differential Amplifiers in 2026

Daisy
Last Updated: Feb 7, 2026

At a Glance: Our Top Picks for 2 Differential Amplifiers

Differential Diagnosis and Management for the Chiropractor
#TOP1
Differential Diagnosis And Management For The Chiropractor
9.7
PM SCORE
Electronics-Salon DIN Rail Mount AC/DC Current Sensor Module, Based on ACS712 (+/-30Amp)
#TOP2
Electronics-Salon Din Rail Mount Ac/Dc Current Sensor Module,
5.2
PM SCORE
Electronics-Salon Stereo Phono RIAA Preamplifier Module Board, Preamp, MD-A310.
#TOP3
Electronics-Salon Stereo Phono Riaa Preamplifier Module Board, Preamp,
5.1
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best 2 Differential Amplifiers of 2026

Market Overview
2 Differential Amplifiers Reviewed
  • Reviews Analyzed: 177 Items
  • PM Avg. Rating: 2.4 / 10
18 Products Evaluated
  • Highest Price: $170.95
  • Lowest Price: $6.07
  • Avg. Price: $38.26

Differential Diagnosis And Management For The Chiropractor

JONES & BARTLETT LEARNING
8.90 X 1.90 X 11.20 Inches
6.62 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Electronics-Salon Din Rail Mount Ac/Dc Current Sensor Module, Based On Acs712 (+/-30Amp)

CZH-LABS
MD-D1020T SERIES
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.88

Features

Load Maximum Current: +/-5Amp, +/-20Amp and +/-30Amp selectable. Load Frequency Bandwidth: DC ~ 80 kHz. Minimum Isolation Voltage: 2.1 kV(RMS). Operating Voltage: Regulated 5VDC, or 8 ~ 35VDC. Operating Current: 20mA(max).

The item provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection.

Output voltage proportional to AC or DC currents.

High quality fireproof nylon material DIN rail mount carrier (not China low quality carrier), can support width 35mm / 32mm / 15mm rail, and the carrier can be taken apart for PCB screw mount use.

Datasheet: https://images-na.ssl-images-amazon.com/images/I/81CRdUi0xWL.pdf

Electronics-Salon Stereo Phono Riaa Preamplifier Module Board, Preamp, Md-A310.

ELECTRONICS-SALON
MD-A310-1..
1.30 X 2.20 X 3.50 Inches
0.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.88

Features

Best Operating Voltage: +/-9Vdc to +/-15Vdc.

Gain: 30 / 50dB, DIP switch on board option.

RIAA Accuracy: <1.5dB.

Bandwidth: 20 to 20KHz (-3dB), Distortion: 0.05% (at 1KHz).

Taidacent Ad620 High Accuracy Low Cost Low Power Instrumentation Amplifier Voltage Amplifier Module Differential Amplifier Single-Ended/Differential Small Signal

TAIDACENT
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Power supply: 5V-24V can be, but depends on how much the baby with the voltage output (if the customer requires output 5V voltage, then the AD62X series of chips is about ± 3.8V power supply, the regulator chip itself has a pressure difference, so it is recommended that the voltage is higher than 12V single Power supply is better)

Bandwidth: AD620/623 is lower than 50KHz at high gain and greater than 1MHz at low gain Input signal type: single-ended signal or differential signal

The maximum magnification: more than 2000 times (actual measurement), due to the gain assembly resulting in greater fluctuations in the waveform band, it is recommended to use high-gain multi-stage amplification

Saturation output amplitude: AC peak 10Vpp (±5Vpp)

This module can be enlarged 1000 times, the circuit layout is regular, MINI, design layout and wiring are reasonable

Ec Buying Ad620 High Accuracy Low Power Programmable Instrumentation Amplifier Module, Voltage Amplifier Module, Differential Amplifier Single-Ended/Differential Small Signal/Small Amplifiers Module

EC BUYING
AD620
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EC Buying 6.80

Features

♥Introduction: The AD620 is a low-cost, high-accuracy instrumentation amplifier that requires only one external resistor to set the gain over a gain range of 1 to 10,000. Ideal for portable (or remote) applications. With high accuracy, low offset voltage, and low offset drift, the AD620 is ideal for precision data acquisition systems such as electronic scales and sensor interfaces. Also features low noise, low input bias current, and low power consumption. The module has a fixed voltage output.

♥Basic Features: ✭Module Name AD620 Instrument Programmable Amplifier ✭Module size:50mm * 50mm ✭Module power supply: 5V-24V ✭Module input signal type: single-ended signal or differential signal ✭Module signal input and output range: the input signal range is within 100 microvolts of the power supply, and the output signal range is within the power supply ✭Module bandwidth: AD620: 120KHz (G=100), AD623: 800KHz (G=1), AD620/623 is lower than 50KHz at high gain, and higher than 1MHz at low gain

♥ Other Features: ✭Module gain: When there is no solder slip, the AD620 will zoom by 10 times by default, and the AD623 will zoom by 20 times by default. During welding slip, AD620: G=1+50K/Rg, AD623: G=1+100K/Rg ✭Maximum magnification of the module: more than 2000 times (actual measurement), due to the large gain of the waveform frequency band, it is recommended to use multi-stage amplification with high gain ✭Fixed output voltage: 5V-10V (default delivery 5V)

♥ Other parameters: ✭Common mode rejection ratio: AD620: 100dB (minimum, G=10); AD623: 90dB (minimum, G=10) ✭Input bias current: AD620: 1.0nA (max); AD623: 23nA (max) ✭Input offset voltage: AD620: 50μV (max); AD623: 200μV (max) ✭Input offset offset: AD620: 0.6μV/°C (max); AD623: 2μV/°C (max) ✭Input voltage noise: AD620: 9nV/√HZ (1KHZ); AD623: 35nV/√HZ (1KHZ)

♥Precautions: 1. The power supply of the module is a single power supply, and the voltage cannot exceed 26V 2. Since the module is a high-precision device, to avoid unnecessary interference, it is recommended to use a linear power supply for power supply 3. It is recommended to use SMA to BNC line input and output signal for the output signal. Compared with the observation effect, poor contact or inferior wire may cause signal attenuation or excessive noise.

Weighing Sensor Transmitter Tension Sensor Transducer Weight Transmitter Amplifie Voltage Current Converter Sensor Amplifier Load Cell Amplifier Linear Differential Input Voltage

WALFRONT
WALFRONT5FKHGQA491
3.23 X 1.57 X 0.98 Inches
0.24 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Danyanty 9.80

Features

▶ HIGH SENSITIVITY -- Features high precision, high sensitivity, high stability, and durable in use. Package List: 1 * Load Cell Transmitter

▶ PRECISELY AMPLIFY -- The internal high-performance device is used to precisely amplify the sensor output signal, internal voltage regulation, constant current bridge, voltage and current conversion, impedance matching, linear compensation, humidity compensation, etc.

▶ CONVERT OUTPUT -- Convert the mechanics and quantity into standard current and voltage signal output, which can be switched from 0~5V/0~10V

▶ DIRECTLY CONNECTED -- It can be directly connected with the interface of the automatic control device PLC single-chip host computer terminal or computer

▶ MULTIPLE PROTECTIONS -- With standard signal external zero adjustment, external adjustment gain function, input overload protection, output short circuit protection

Taidacent Ad8015 Wideband/Differential Output Transimpedance Amplifier Module Single-Ended To Differential 240M Bandwidth 155Mbps Data Rate

TAIDACENT
AD8015
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Shenzhen Taida Century Technology Co.,Ltd. 7.96

Features

The AD8015 is a wide bandwidth, single supply transimpedance amplifier optimized for use in a fiber optic receiver circuit. It is a complete, single chip solution for converting photodiode current into a differential voltage output.

The 240 MHz bandwidth enables AD8015 application in FDDI receivers and SONET/SDH receivers with data rates up to 155 Mbps. This high bandwidth supports data rates beyond 300 Mbps. The differential outputs drive ECL directly, or can drive a comparator/ fiber optic post amplifier.

In addition to fiber optic applications, this low cost, silicon alternative to GaAs-based transimpedance amplifiers is ideal for systems requiring a wide dynamic range preamplifier or singleended to differential conversion.

Size: 41mm*28mm; Power Supply: 5V

Application: Fiber Receiver: SONET/SDH, FDDI, Fibre Channel Stable High Capacitance Detector; Low noise preamplifier; Single-ended to differential conversion; I-V voltage converter.

Taidacent Drv134 Audio Balanced Line Drive Unbalanced To Balanced Board Differential Output Amplifier For Dual Channel To Btl Output Dual Power Balanced Input Power Amplifier Board

TAIDACENT
ZC-DRV134AMPLIFIER-0807
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Shenzhen Taida Century Technology Co.,Ltd. 7.96

Features

The unbalanced-to-balanced board can be used to match the power amplifier board with differential input (balanced input), or it can be used as a dual-channel power amplifier board to change the BTL output.

The power supply adopts LM317+LM337 adjustable regulated power supply

Working voltage: AC dual 5v-16v; DC dual 7v-24v

Board size: 90mm*50mm

The board is shipped and debugged. The power supply defaults to a dual 12v working voltage, which is suitable for use with dual 12v transformers.

Ec Buying Rf Amplifier Module Low Noise Amplifier Lna Broadband 10M-8Ghz Gain 12Db Medium Power Rf Amplifier Module

EC BUYING
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

This amplifier has the advantages of a wide frequency range, high gain, and low noise figure

Power supply voltage: 12V DC; Input-output impedance: 50 Ω

Module gain: 12dB (gain varies under different bandwidths); Chip bandwidth: 10MHz~8GHz

Product size: 29mm*25mm/1.14inch*0.98inch

It can be used in various RF reception front-end, increasing communication distance, and places that require low noise and slight signal RF amplification

Weytoll 4-Channel Audio Power Amplifier 7900W High Power Amp. Four-Way 12.0V Car Stereo Power Amplifier Class A/B

WEYTOLL
VWU5697715016062FD
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Vasdeep 5.89

Features

7900W high-power car amplifier can effectively improve the sound quality of car audio and bring a nice experience to users.

It can amplify the weak signal from the audio source or pre-amplifier, without changing the sound quality, and promote the sound of the speaker.

Premium aluminum alloy housing, exquisite and beautiful, high-end texture, strong shock resistance. With multiple cooling holes, quick heat dissipation and nice stability.

The powerful electric circulating coil ensures sufficient power during operation, and it is safer, more efficient and more stable.

Compact and ultra-thin, easy to install. Four-channel high-power design meets the needs of most users.

Taidacent Ths4131 Fully Differential Input/Output Low Noise Amplifier Module Single Ended To Differential Single Ended Input Double Ended Output

TAIDACENT
THS4131
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Shenzhen Taida Century Technology Co.,Ltd. 7.96

Features

Name: THS4131 Fully Differential Amplifier Size: 45mm X 34mm Supply Voltage Range: 5V Single Supply ±15V Dual Supply

This module can implement single-ended to differential, single-ended input, and double-ended output. Has high performance, low noise, wide power supply voltage range and other advantages.

The THS413x consists of a true fully differential signal path from input to output. This design produced excellent common-mode noise suppression wells that improved total harmonic distortion.

Chip features High performance 150 MHz - 3 dB bandwidth (VCC = ±15V) 51V/us slew rate -100dB third harmonic distortion (250kHz) 2. Low noise 1.3 nV/vHz Input Reference Noise Differential input/cent output Balanced Output Suppresses Common Mode Noise Reduce second harmonic distortion from dry differential output

Wide supply voltage range VCC-5 V Single Supply to ±15V Dual Supply ICC (SD) = 860 u A Shutdown Mode (THS4130) Chip application Single-ended to differential conversion Differential ADC Driver Differential antialiasing Differential transmitters and receivers Output Level Translator

Jessinie Ad8130 Differential Receiver Amplifier Module Differential To Single-Ended High Common-Mode Rejection Ratio Low Noise Low Distortion 270Mhz Bandwidth

JESSINIE
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Jessinie 6.87

Features

This product is a differential to single ended amplifier, with a 270MHz bandwidth and a very high common mode rejection ratio (CMRR) at high frequencies.

This product can be effectively used as a high-speed instrument amplifier or to convert differential signals into single ended signals.

AD8130 has excellent common mode suppression( 70dB@10MHz ), allowing the use of low-cost, non shielded twisted pair cables without fear of being damaged by external noise sources or crosstalk.

The AD8130 has a wide power supply voltage range of +5V to ± 12V, which can withstand a wide range of common mode and differential mode voltages while maintaining signal integrity.

Size: 43mm × 38mm; Power supply voltage range: ± 5V~± 12V

Taidacent Ad8130 Differential Receiver Amplifier Module Differential To Single-Ended High Common-Mode Rejection Ratio Low Noise Low Distortion

TAIDACENT
AD8130
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Shenzhen Taida Century Technology Co.,Ltd. 7.96

Features

Name: AD8130 Differential Amplifier Size: 43mm X 38mm Supply voltage range: ±5V~±12V

The differential-to-single-ended amplifier, which has a 270-MHz bandwidth and a very high common-mode rejection ratio (CMRR) at high frequencies, can also be effectively used as a high-speed instrumentation amplifier or to convert a differential signal to a single-ended signal.

Differential amplifiers can process single-ended inputs as interactive differential outputs or treat differential inputs as differential outputs. These amplifiers have two independent feedback loops that control the differential and common-film output voltages, respectively.

Chip features 1. High speed AD8130: 270 MHz, 1090 V/us (G= +1) AD8129: 200 MHz, 1060 V/us (G= +10) 2. High Common Mode Rejection Ratio (CMRR) 94 dB (minimum, DCE100 kHz) 80 dB (minimum, 2 MHz) 70 dB (10 MHz) 3. High input impedance: 1 MQ differential 4. Low noise AD8130: 12.5 nV/Hz AD8129: 4.5 nV/vHz

5. Input common mode range: ±10.5V 6 low distortion, 1V peak-to-peak (5 MHz): AD8130, -79 dBc (Worst Harmonic, 5 MHz AD8129, -74 dBc (Worst Harmonic, 5 MHz) 7. User adjustable gain G= +1 without external components 8. Supply Voltage Range: +4.5V to ±12.6V 9. Power saving mode

Taidacent Ina114 Instrumentation Amplifier 1000 Times Gain Adjustable Single-Supply Operation Single-Ended/Differential Input

TAIDACENT
INA114
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Shenzhen Taida Century Technology Co.,Ltd. 7.96

Features

INA114 is a low-cost, high-precision instrumentation amplifier that only requires an external resistor to set the gain, and the gain range is 1 to 10000.

This module can magnify 3000 times

the weak signal detection effect is excellent, and can input single-ended signals or differential signals.

Chip features: Offset voltage 50uV, drift 0.25μV/℃, and high common mode suppression, 115dB when G=1000

Module application: bridge amplifier, thermocouple amplifier, RTD sensor amplifier, medical equipment, data acquisition front end

Rf Differential Amplifier, Ad8130 Stable Transmission Signal From Dual End To Single End For Differential Amplifier Diy

SWOQ
SWOQ3T57KG8ZWP
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
liukouuly 5.28

Features

Use Good PCB: Adopting premium PCB material, not likely to malfunction, and has excellent durability for long using.

Easy to Install: Comes with a light weight and a compact size as well, the easy installation can be quickly completed.

Wide Utility: Can be used for analogue or digital video signals and high speed data transmission with good stability.

RF Amplifier: For receivers that need to convert single ended signals into differential signals for high speed signal transmission over twisted pair cables.

Reliable Use: Very high common mode rejection ratio, that is CMRR, at high frequency, so the efficiency is very high.

Signal Differential Amplifier Board, Rf Differential Amplifier Stable Transmission For Diy

KADIMENDIUM
KADIMENDIUM7H2BM93XKT734
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

RF Amplifier: For receivers that need to convert single ended signals into differential signals for high speed signal transmission over twisted pair cables.

Reliable Use: Very high common mode rejection ratio, that is CMRR, at , so the efficiency is very high.

Wide Utility: Can be used for analogue or digital video signals and high speed data transmission with good stability.

Use Good PCB: Adopting premium PCB material, not likely to malfunction, and has excellent durability for long using.

Easy to Install: Comes with a light weight and a compact size as well, the easy installation can be quickly completed.

Viupolsor Differential Amplifier Board 2X10W Digital Class D Audio Amplifier Ht8697 3.6-8.5V Differential Input

VIUPOLSOR
500313648
1.18 X 1.18 X 1.18 inches
0.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
waguandangdianzishangwu 3.78

Features

Usually the CTRL pin is connected to the MUTE pin of Bluetooth.

The amplifier board is in ACF-1 mode by default. When using the CTRL mode setting, solder R5 off.

The appearance and color of different batches , which does not affect the .

Ad8130 Amplifier Board Module Differential To Single-Ended High Common-Mode Rejection Ratio Low Noise And Low Distortion Module

DEEOEE
LJCMODULE_1540
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DeeoeeUSA 5.05

Features

AD8130 Amplifier Board Module Differential to Single-ended High Common-mode Rejection Ratio Low Noise and Low Distortion Module

Top 10 differential amplifiers Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Taidacent 6
Ec Buying 2
Czh-Labs 1
Deeoee 1
Electronics-Salon 1
Jessinie 1
Jones & Bartlett Learning 1
Kadimendium 1
Swoq 1
Viupolsor 1

Top 10 differential amplifiers Brands Pie Chart


We've carried out a comprehensive analysis of 177 reviews on differential amplifiers, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select differential amplifiers priced around $38.26, with top brands including ec buying, electronics-salon, saunders and jones & bartlett learning and weytoll

Our team of expert editors reviewed these high-quality items and handpicked the top 18 differential amplifiers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include ec buying, electronics-salon., haxmoi store, the motor bookstore and amazon.com and vasdeep .

We are dedicated to assisting our users in finding the right amplifiers Products based on their needs, saving them considerable time when choosing which differential amplifiers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.