The 15 best 2.1 bluetooth amplifier (2023 Review & Buyers Guide)

2.1CH Bluetooth 5.0 Stereo Amplifier & U-Disk Player. BL20C Class D power amp supporting U-disk/ Bluetooth/ RCA input can drive passive speakers+powered subwoofer. U-Disk input for convenient and portable use support audio format: MP3/WMA/APE/ FLAC/WAV.

BL20C stereo receiver amplifier adopts STMicroelectronics TDA7498E chip. The TDA7498E is a dual BTL class-D audio amplifier with a single power supply designed for home speaker systems applications. Special features: smart protection, thermal overload protection, the small offset of less than 20 mV, standby and mute features, differential inputs minimize common-mode noise.

Advanced Circuit Design Ensure Hi-Fi Sound. The upgraded Bluetooth 5.0 audio technology powers the wireless sound behind many of the world’s finest devices that you love, so you can stream music from your favorite media services without compromising on sound quality, works with the latest devices including iPhone/Android, iPod, iPad, PC, Laptop, Computer TV, DVD, etc.

BL20C with Various Control Knobs. Bass, treble, volume, input mode switch, previous song, next song, play/pause, etc, make a distinction between BL20C NEW generation Hi-Fi wireless receiver amplifier and traditional audio amplifier. MAX power output up to 320W.

What you Get: BL20C stereo power amplifier x1, Bluetooth antenna x1, User Manual x1, Power Adapter x1, AC Cord x1, our worry-free 18-month warranty, and friendly customer service.

Ultra-efficient amplifier with 2 x 30 watt stereo output and an additional 80 watt passive subwoofer output - perfect for home theaters, listening rooms, Hi-Fi, DIYand small offices

Front panel sub volume, tone/direct, treble, bass and master volume controls provide the user with the ability to easily dial-in their preferred listening preferences

Variety of inputs including Bluetooth 5.0, stereo RCA, and 3.5mm Aux provide flexible application options

Includes Quality DC Power Supply and a rear USB 5VDC charging output and Speaker Spring terminals make connecting speakers fast and easy

Lighted Master Volume indicates power ON and listening mode – white for Line In and blue for Bluetooth operation – a sleek black aluminum enclosure is aesthetically attractive and unobtrusive

USER MANUAL located in the LARGE image set (click on the images at the left, large images will load and manual will be displayed)

2.1CH Bluetooth 5.0 Power Amplifier: Exquisite design, improved operation, great sound performance.

BT30D supporting Bluetooth and RCA input can drive most home passive speakers, passive/powered subwoofer. SUB volume/Frequency, Bass/Treble control ensure Hi-Fi music quality.

BT30D wireless stereo amplifier adopts 2 pcs Texas Instruments TPA3116D2 chip. The TPA3116D2 are stereo efficient and digital amplifier power stage for driving speakers, with advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences. High-performance effectively improve output power and audio quality. Max power output up to 200Watt.

Bluetooth 5.0 stereo audio amplifier receiver, increase the stability, sound quality and use distance, streaming range up to 50ft, works with latest devices including smartphone, tablet, laptop, computer, etc.

What You Get: BT30D Amp x1, 24V/4.5A power supply x1, user manual x1, our worry-free 18-month warranty, and friendly customer service.

TPA3116D2 HIFI Chip Solution: Stereo Dual-channel Output to Ensure Continuous Serial High-power Operation, THD ≤0.1%. Wide Voltage Input DC: 12-24V;

Treble & Bass Control: If You Are Tired of The Inherent High& Low Bass, Why Not Try The High & Low Control Knob! This Will Make You Feel Like Being In A Movie Theater.；

Bluetooth and AUX Function: Bluetooth 5.0 version, Transmission Distance Is Farther. The Transmission Distance Can Reach 49 Feet In An Open Environment. If your Play Device Does Not Have Bluetooth, You Can Also Input Audio Signals Through The 3.5MM Headphone Plug.；

Safety Protection: This Amp Board Has Overheat Protection, Reverse protection, Circuit Protection, Over-voltage and Under-voltage Protection；

7 * 24 Hours After-sales Service: Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product, or The Product Has Quality Problems, Please Contact Us At Any Time, We Will Give You A 100% Satisfactory Answer.

[HIFI Stereo] High quality dual channel power amplifier board for HIFI music. With AUX and Bluetooth two audio input methods, 2-in-1. 5.0 Bluetooth version, the transmission efficiency is higher, the transmission distance is farther. With a filter inductor, the sound is round and clear.

[Protection Mechanism] The TPA3116D2 devices feature short-circuit and thermal protection as well as overvoltage, undervoltage, and DC protection to prevent total failure. In the event of an overload, the device reports the fault condition to the processor to protect itself from damage.

[High Performance] The TPA3116D2 is a Class D amplifier IC from TI that has very high index parameters. Advanced oscillator / PLL circuit uses multiple switching frequency options to reject AM interference. The modulation frequency can be up to 1.2MHZ, and the high power output distortion is less than 0.1%. This helps prevent noise.

[High Quality] It adopts copper DC connector and fence type terminal. It can withstand large current, no heat, no damage to the wire. Free DC head lead, compatible with the input power interface of this product, even if you dont have a DC head adapter or battery, it can be easily wired.

[Application] With bass, treble and volume control, easy to adjust volume, enjoy the music tone what you want. TDA3116D2 is widely used in store solicitation, home theater, square speakers, etc.due to its excellent performance and comprehensive cost performance.

【TDA7498E HIFI CHIP】The TDA7498E Chip Solution: Stereo Dual-channel Output to Ensure Continuous Serial High-power Operation, Wide Voltage Input DC: 15-36V,This power amplifier board uses two TDA7498E high-fidelity maximum output power up to 160W*2+220W.

【TREBLE & BASS CONTROL】If you are tired of an amplifier with only one volume knob, then you feel right, because you have further requirements for audio. By adjusting the high and low frequency knobs of the ZK-HT21 power amplifier board, you can make the sound more layered and make the bass more shocking.

【HIGH COMPATIBILITY】The DC adapters on the market (plug specification 5.5mm*2.1mm) basically can meet the needs of the ZK-HT21 Bluetooth power amplifier board. If your existing DC power plug is not 5.5mm*2.1mm, there is no The problem is because we have included a DC conversion plug in the product.

【PROTECTION FUNCTION】ZK-HT21 Bluetooth power amplifier board has multiple protection mechanisms to ensure its safe operation. It has short-circuit protection, over-current, over-heat, and anti-reverse protection. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage

【7 * 24 Hours After-sales Service】 Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product, or The Product Has Quality Problems, Please Contact Us At Any Time, We Will Give You A 100% Satisfactory Answer

【TPA3116D2 HIFI Chip Solution】 Stereo Dual-channel Output to Ensure Continuous Serial High-power Operation, THD ≤0.1%. Wide Voltage Input DC: 12-24V;

【Treble & Bass Control】 If You Are Tired of The Inherent High& Low Bass, Why Not Try The High & Low Control Knob! This Will Make You Feel Like Being In A Movie Theater

【Bluetooth and AUX Function】 Bluetooth 5.0 version, Transmission Distance Is Farther. The Transmission Distance Can Reach 49 Feet In An Open Environment. If your Play Device Does Not Have Bluetooth, You Can Also Input Audio Signals Through The 3.5MM Headphone Plug

【Safety Protection】 This Amp Board Has Overheat Protection, Reverse protection, Circuit Protection, Over-voltage and Under-voltage Protection

【7 * 24 Hours After-sales Service】 Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product, or The Product Has Quality Problems, Please Contact Us At Any Time, We Will Give You A 100% Satisfactory Answer

2.1 Channel Hifi DAC Amplifier Support 24bit/192Khz Audio with EQ Control. 100Watts Class D power amp(50Watt [email protected]) with low-pass power subwoofer output and passive speakers output can drive most home speakers. Easy to build your home theater systems and enjoy Hi-Fi music with DA2120A.

Multiple Input Modes. DA2120A wireless stereo amplifier supporting PC-USB/Optical/Coaxial/3.5MM AUX/Bluetooth 5.0 input can fit with most home Hi-Fi sound systems. Note: Optical interface does not support Dolby/DST audio.

DA2120A adopts the Texas Instruments NE5532 operational amplifier chip. The DA2120A are high-performance operational amplifier combining excellent DC and AC characteristics, featuring very low noise, high output-drive capability, high unity-gain, maximum-output-swing bandwidths, low distortion, high slew rate, input-protection diodes, and output short-circuit protection. NE5532 are compensated internally for unity-gain operation, with specified maximum limits for equivalent input noise voltage.

DA2120A with Advanced Digital Amplify Circuits that all analog signals are converted to a digital signal to make the PHASE of input and output signal keep same. Phase shift is zero. Strong anti-interference ability. High efficiency up to 99%.

What You Get: DA2120A Hifi DAC amplifier x1, Bluetooth antenna x1, 24V/4.5A power supply x1, remote control x1, PC-USB Cable x1, Optical Cable x1, user manual x1, our worry-free 18-month warranty, and friendly customer service.

[2-in-1] High quality power amplifier board. With AUX and Blue tooth two audio input methods, 2-in-1. 5.0 Bluetooth version, the transmission efficiency is higher, the transmission distance is farther

[High Performance] Blue tooth audio amplifier module 2.1 channel, Max output power 2X50W+100W. With antenna and antenna base, the signal is better, the efficiency is high, and the anti-interference ability is strong

[Protection Mechanism] With short-circuit protection as well as overcurrent, overheating, and anti reverse connection protection to prevent total failure. In the event of an overload, the device reports the fault condition to the processor to protect itself from damage

[High Quality] It adopts copper DC connector and fence type terminal. It can withstand large current, no heat, no damage to the wire. Free DC head lead, compatible with the input power interface of this product, even if you don't have a DC head adapter or battery, it can be easily wired

[Application] With bass, treble, subwoofer frequency and volume control, easy to adjust volume, enjoy the music tone what you want. Widely used in store solicitation, home theater, square speakers, etc