Best Mono Amplifiers 2026

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Last Updated - 03.02.2026

Best Choice

01

JBL

JBL Stage GT 50011 1 Channel Subwoofer Car Radio Amplifier 1220W Max Class D Mono High Performance Mono Power Amplifier Car from Harman Kardon with Powerful Bass EQ with Low Pass Filter and Remote

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Powerful car amplifier – The JBL GT 50011 offers an impressive power of 500 W RMS @ 2 ohms and 300 watts RMS @ 4 Ohm; with this subwoofer amplifier you can transform your car audio system into a real stage experience
Masterful frequency art - crossover controls make the JBL car amplifier a sound magician; with the individual fine adjustment of 32-320 Hz, you can control which bass range goes to the subwoofer and which frequency range goes to the car speakers of the car hifi set
Masterful compactness - The JBL subwoofer car amplifier proves that premium audio knows no bounds; create high-quality systems with flexible installation freedom in any room with this car power amplifier
Indestructible sound power - Harman Kardon car radio amplifiers survive extreme tests from icy cold to glowing heat; UV radiation and days of full-load marathons create legends of reliability
Bass made to measure - The bass EQ of this 1 channel amplifier allows a gain of 0 to 12 dB between 30 and 100 Hz to perfectly adapt the subwoofer to the interior and car speakers, with powerful, rich bass that you can easily control via the remote control

168,49 €
02

PIONEER

Pioneer GM-D8701 Class-D-Mono-Verstärker mit fernbedienbarem Bass Boost (1.600 W), Sensor für Lautsprechereingang, variabler TPF, Anschluss für bis zu 4 Subwoofer

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Variable TPF: Adjust the low-pass filter frequency for greater flexibility of the audio system.
Speaker input sensor: simply connect your existing OEM device without additional adapters.
CONNECTION FOR MERHERE DEVICES: Easily connect up to 4 subwoofers for more powerful audio output.
CLASS-D: Enjoy the premium sound and high volumes of a versatile system that's half the size of other devices.
All-rounder: An amplifier should not take up too much space – especially not in the car. That's why this Class D amplifier may be exactly what you are looking for. It is 1 ohm stable, flexible to install and offers plenty of power. With the included remote control, you can control the bass boost comfortably from the driver's seat.

164,43 €
03

sikkeby

HiFi Amplifier with Bluetooth 5.1, ZK-1001B Audio Amplifier Card 100W Mini TWS Mono Audio Power Amplifier Module with BT/AUX/USB Input, DC 7-24V DIY Speaker Kit

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

TWS box function: As a mono amplifier, this power amplifier module supports TWS BOX mode, if you have a few of these ZK-1001B mono amplifiers, you can create two independent Bluetooth power amplifier boards connected by TWS box function, left and right channel stereo can be realized
Multiple protection mechanisms: This ZK-1001B Bluetooth amplifier module is mini size: 89 x 45 x 20 mm, with surge protection, undervoltage protection, overheating protection, short circuit protection, designed with case to protect it
Multiple function knob: this mini amplifier with only one button, it is a multi-function button: turn the knob clockwise / counterclockwise to adjust the volume level. Click: play/pause. Double click: Next song. Triple click: enter or exit TWS mode. Long press: power off/power on
HIFI mono amplifier board: This ZK-1001B mini Bluetooth audio amplifier board is a mono channel amplifier with 100W rated power, only contact with a passive speaker (20-100W, 3-8Ω), DC7-24V/3A above. This mono ampfilier with a TPA3116D2 chip, distortion rate below 0.3%, and another upgrade large chips support AAC BT decoding, app and TWS, low latency
Bluetooth 5.1 inputs: the Bluetooth amplifier board has 4 types of inputs: AUX, USB flash drive, USB sound card and Bluetooth inputs, the upgrade large chips support Bluetooth 5.1, low latency, the range of audio devices (smartphones, tablets, laptops, etc.) with Bluetooth connectivity is 15 m/49 ft

15,98 €
Value for Money

04

Nobsound

Nobsound G2 PRO 300W Mini HiFi Subwoofer/Full Frequency Mono Power Amplifier Audio Amplifier

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Package contents: Includes 1x G2 PRO mono power amplifier and 1x 32V/5A power supply.
PBTL/SUB Switch: Easy to use as a full frequency amplifier or subwoofer amplifier, with a SUB output specially designed for activated subwoofers. The G2 PRO is suitable for both passive and active subwoofers.
Maximum output power of 300W: with TPA3255D2 amplifier chip and equipped with a 32V/5A large power supply that is enough to power passive 320W speakers or subwoofers. It also goes well with outdoor/bookshelf/computer/desktop/ceiling/floor speakers.
HiFi sound with best design: a gain switch allows 2-level output level adjustment (32/36 dB) and SUB frequency adjustment (40-300Hz). Also built in is a speaker protection circuit and a low-pass filter for audible noise at high output power.
COMPACT DESIGN WITH EXQUISITE APPEARANCE: Mono integrated Class D amplifier, simple and compact but with powerful function, durable aluminum housing, ideal for HiFi home and desktop audio systems.

75,64 €
05

Nobsound

Nobsound G2 PRO 300W Mini HiFi Subwoofer/Full Frequency Mono Power Amplifier Audio Amplifier

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Package contents: Includes 1x G2 PRO mono power amplifier and 1x 32V/5A power supply.
PBTL/SUB Switch: Easy to use as a full frequency amplifier or subwoofer amplifier, with a SUB output specially designed for activated subwoofers. The G2 PRO is suitable for both passive and active subwoofers.
Maximum output power of 300W: with TPA3255D2 amplifier chip and equipped with a 32V/5A large power supply that is enough to power passive 320W speakers or subwoofers. It also goes well with outdoor/bookshelf/computer/desktop/ceiling/floor speakers.
HiFi sound with best design: a gain switch allows 2-level output level adjustment (32/36 dB) and SUB frequency adjustment (40-300Hz). Also built in is a speaker protection circuit and a low-pass filter for audible noise at high output power.
COMPACT DESIGN WITH EXQUISITE APPEARANCE: Mono integrated Class D amplifier, simple and compact but with powerful function, durable aluminum housing, ideal for HiFi home and desktop audio systems.

88,99 €
06

Fosi Audio

Fosi Audio TP-02 Subwoofer Amplifier Home Sound, Mini Bass Amplifier Mono Subwoofer Amplifier 220 W with TDA7498E Chip Volume and Frequency Control, for Active Passive Subwoofer Bass Shaker

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

What you get: TP-02 subwoofer amplifier x 1, 24 V power supply x 1, instruction manual x 1. This sub amp is well packaged and has a solid feel to the housings, controls and connectors. Take advantage of Fosi Audio 24-month warranty and enjoy a reassuring experience.
Powerful sound - This subwoofer amplifier, designed for HiFi bass lovers, produces a powerful sound with smooth and pure bass. It gives new life to your old speakers and allows you to fully immerse yourself in rich, dynamic sound.
High performance - Our built-in low-pass filter removes high frequency noise, provides you with a purer and clearer signal. With a frequency response from 20Hz to 250kHz, THD ≤ 0.04%, SNR ≥ 98dB and an input sensitivity of 775mV, it offers you the desired warm tone colour and powerful bass.
Excellent Chip - Equipped with the Texas Instruments TDA7498E chip and NE5532 OP amplifier. No popping, built-in speaker protection circuit and quiet when idle. With a maximum output power of 220W, it is ideal for large subwoofers.
Bass Monster - This compact bass amplifier is designed for gamers, movie enthusiasts and music lovers who want to feel the beat. It can be connected to both active and passive subwoofers and offers a control to adjust the low frequencies (30Hz-260Hz) to suit your preferences.

79,99 €
07

PIONEER

Pioneer GM-D8701 Class-D-Mono-Verstärker mit fernbedienbarem Bass Boost (1.600 W), Sensor für Lautsprechereingang, variabler TPF, Anschluss für bis zu 4 Subwoofer

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Variable TPF: Adjust the low-pass filter frequency for greater flexibility of the audio system.
Speaker input sensor: simply connect your existing OEM device without additional adapters.
CONNECTION FOR MERHERE DEVICES: Easily connect up to 4 subwoofers for more powerful audio output.
CLASS-D: Enjoy the premium sound and high volumes of a versatile system that's half the size of other devices.
All-rounder: An amplifier should not take up too much space – especially not in the car. That's why this Class D amplifier may be exactly what you are looking for. It is 1 ohm stable, flexible to install and offers plenty of power. With the included remote control, you can control the bass boost comfortably from the driver's seat.

130,00 €
08

Fosi Audio

Fosi Audio ZA3 Stereo/Mono HiFi Amplifier with TPA3255 Chips, Balanced XLR RCA Inputs and 12V Trigger-In, Mini Amplifier Audio Monoblock for Desktop Shelf Speakers and Subwoofers

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Rich connectivity – the ZA3 2-channel amplifier has a debut design with symmetrical input and trigger-in functions and offers a symmetrical combination audio signal input port compatible with XLR and 1/4 inch TRS connectors. This innovative design minimizes interference and reduces noise, while the 12V trigger-in connector allows synchronization with other devices and simplifies the on/off process without individual operations.
Improved scalable fun – personalise your audio journey with the op amp rolling function. The ZA3 mini amplifier hifi is equipped with five interchangeable operational amplifiers for the output channels left and right, the balanced input and the subwoofer output. Discover compatible DIP8 dual op amps such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA etc. and fine-tune your sound to perfection.
Dual mode of innovation – Experience versatile functionality with this new generation high-speed Hi-Fi that offers both stereo and mono modes for seamless switching. Enjoy robust power of up to 180W in stereo mode and maximum 235W in mono mode. Combine two ZA3 units in mono mode for improved audio performance and significantly increase your listening experience.
Audio level components – Immerse yourself in exceptional audio quality with the high-quality Class D amplifier chip TPA3255 of the ZA3 and premium components such as Japanese NCC, ELNA and German WIMA capacitors as well as Japanese Sumida inductors. With outstanding specifications such as a SINAD rating of up to 89dB, an SNR of up to 106dB and a low noise level of only 150μV, you will experience unparalleled clarity and minimal distortion.
Advanced heat dissipation: The upgraded cooling system of the ZA3, based on the innovative heat dissipation design of V3, has a larger chassis, side vents and dust covers for improved ventilation. Enjoy durable and stable high-performance output without compromising performance.

159,99 €
09

ZHITING

ZHITING 100 W Bluetooth 5.1 HiFi Amplifier Board, Mini Digital TWS Stereo Power Amplifier with TPA3116D2 Chip, BT 5.1/USB/AUX Input, DC 7-24 V, ZK-1001B Sound Board for Home Cinema and Speaker

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13% Off
8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatile connections and Bluetooth 5.1: This ZK-1001B mini Bluetooth audio amplifier board compatible with AUX, USB stick, USB sound card and Bluetooth 5.1; wireless range up to 15m; low latency for synchronized sound.
Intuitive multi-function button, easy control: turn for volume, click for play/pause, double click for next track, triple click for TWS mode, press and hold for power on/off.
High performance mono amplifier 100W: powerful 100W output for clear sound; extremely low distortion below 0.3%; ideal for passive speakers (20-100W, 3-8Ω); wide voltage range DC 7-24V.
Easy TWS function for stereo sound: This HIFI amplifier board connect two boards wirelessly via TWS; simply create a stereo speaker system for an immersive listening experience at home.
Compact and protected: this mini Bluetooth amplifier board module minimal dimensions (85x53x22mm) with protection against overvoltage, undervoltage, overheating and short circuit for reliable operation.

13,94 € 15,99 €(13% Off off)
10

AIYIMA

Upgrade AIYIMA A3001 TPA3255 Mini Mono Amplifier 300 W Subwoofer Amplifier HiFi Sub Amplifier Class D Amplifier with Full Frequency and Sub Bass DC 24 V - 48 V

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8.0

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Suitable for Hi-Fi home amplifiers, designed for customers seeking Hi-Fi sound; Maximum output power: 200 watts. Note: the package comes with a 36V/6A power supply, and to achieve the maximum output, a larger power supply is required.
Subwoofer Amplifier & Full Range Mono Amplifier: With FLAT/SUB switch, built-in low-pass filter for subwoofer with full range and sub-bass switching. Switch to FLAT, a full-range mono amplifier for driving passive speakers. Switch to SUB, a subwoofer amplifier for passive speakers.
Pure Sound Quality The AIYIMA A3001 subwoofer amplifier uses the classic TPA3255D2 chip and 3 NE5532 op amp chips. You can enjoy clear and pure, high-quality sound, and the output is stable and easy to set up. Great amplifier for powering shelf speakers or subwoofers.
Mini, Compact but Powerful:Built in 20-300Hz subwoofer low pass filter with SUB frequency control, exquisite and beautiful design, compact amplifier that fits your computer/desktop/home theater system etc, and is practical and powerful, high efficiency output power of up to 200 watts at 4 ohm loads, delivers 150 watts at 6 ohms negative or 1 20 Watt at 8 Ohm Loads
Easy output method: the small subwoofer amplifier has an RCA output that is compatible with a variety of media source devices, such as Such as: mobile phones, tablets, computers, MP3, TVs, etc.

88,99 €