Amplifiers 2 1 in comparison

High-power Independent Control The peak power of Donner Bluetooth Stereo Audio Amplifier Receiver can set up to 440W(110W x 4), and has 4 CHANNELS which is independently controlled. 440W is enough to support 4 groups of 8 speakers with 4-8 ohms. Perfect for home theater, karaoke party.

The ZK-MT21 power amplifier board uses Bluetooth 5.0, and its transmission distance can reach 49 feet (without obstruction). At the same time, this power amplifier board has a 3.5mm AUX audio input interface. No matter what kind of input method, you can always find a method that suits you

Specifications Input Voltage DC 12V-24V. Max Power Output 50W*2 Left and Right channel +100W Subwoofer . Channel 2.1 CH Stereo Output. Output Impedance 4-8 . Bluetooth Version BT 5.0

2.1 channel HiFi Power Amplifier Can drive most home passive speakers, passive subwoofers. High performance effectively improves output power and audio quality. Maximum power output up to 200 watts. (Compatible with passive speakers only)

Versatile Input Options --- This compact stereo amplifier supports AUX, RCA, USB, SD, and Bluetooth input. With separate volume, treble, and bass controls, you can fine-tune every note for your perfect sound

Strong output power and special AUX output use TI's classic power amp IC, each channel can output 100W(4 ) and easily to drive all 3-8 passive speakers, adds 3.5mm AUX output easy to connect another amplifier or active speaker subwoofer to build multiple channel system and enjoy wonderful home theater experience.

BEST SIZE - The slick C10 is our largest diameter shallow enclosure, the larger driver means more power handling, bigger sound and more bass. All in one subwoofer and amp

Adopt TPA3116D2 2.1 Channal Chips, With Excellent Sound Quality and 50 * 2 Watt Rate Power,100 Watt super bass suwoofer output. 800 Watt Peak Power. It Ensures That Even With High Power Operation For A Long Time, THD Is Less Than 0.1%, WIDE INPUT VOLTAGE DC 12V-24V.

220 WATTS PEAK POWER Moukey 2.0 Channel Bluetooth Stereo Amplifier Receiver is compact but powerful, which is perfect for your karaoke, home theater, acoustic sound system, and monitor headphones. Provides with 220 watts peak power output, you can enjoy the high-quality home audio experience.

AUDIOPHILE QUALITY DIGITAL SOUND Employs a very high performance audiophile-grade ESS Sabre upsampling 32-bit 384kHz digital-to-analogue converter (DAC) that allows bluMe Pro to decode audio files and provide a lossless audio experience. bluMe Pro Also adopts a high-performance Cirrus Logic digital audio conversion chip that efficiently encodes the Bluetooth audio signal to high quality digital optical & coaxial signal outputs.

Karaoke & Audio Control Features Built-in mic echo, tone, and volume rotary controls bring professional DJ and karaoke functions into your living room or studio

The main knob uses a high-end rotary encoder for 360 degree infinite tuning and a smooth feel