Usb amplifiers 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.

Aux Input for Jamming along with any Audio Player

Supports Dolby and DTS The audio amp pc headphones device features an integrated de-pop function, suppressing any pop noise during PC power-up and shutdown for smooth and stable operation. With a mini USB interface that is compatible with USB 1.1 2.0, the USB Audio DAC can be easily used with your devices.

Convenient Remote Control The included remote control allows you to enjoy different music and sounds on your couch. You can conveniently control bluetooth speaker amplifier at any angle and get rid of wires.

Stereo Amplifier This AK45 Bluetooth amplifier is compact but packs a lot of punches! Provides 2.0 channel stereo with rated power of 40W+40W. Effectively improve the audio quality, providing clear and smooth sound without impurities. Wireless Bluetooth, easy to connect smart phones, tablets and other Bluetooth devices. Let you enjoy high quality music.

Wireless Music Streaming Stream music directly from your smart devices via Bluetooth or play digital files using the built-in USB SD MP3 player, adding flexibility to your multi zone audio amplifier setup.

Audio Power Stereo Amplifier The Bluetooth amplifier provides two-channel stereo sound. The sound is clear and clean, loud and clear, and the sound quality is lossless. The compact design can be easily put into a bookshelf or desktop. It is perfect for small apartments such as bedrooms, small offices, basements and garages.

Universal Bluetooth Amplifier Suitable for various brands of wall mounted speakers, ceiling mounted speakers, marine speakers, bookshelf speakers, and other passive speakers

Amplifier for a Wide Range of Scenarios The 4 channel amplifier can drive almost home large passive speakers ensuring wonderful sound quality and is compatible with most sound equipment such as computers, home theatre, CD players, PC, laptops, phone, etc.The Herdio 4 channel amplifier has a TWS function, so when two Herdio amplifiers of the same model are close together, up to eight passive speakers can play music at the same time. Of course, the connect can also be switched off with a button on the amplifier.

Versatile Connectivity Featuring XLR, RCA, Bluetooth 5.0, and USB inputs, ensuring seamless compatibility with various audio sources for a hassle-free listening experience

Germany's Infineon's new silicon carbide digital power amplifier chip is of higher quality, while the efficiency is as high as 92%, which further reduces energy consumption.

PC-USB Compatibility Connect your favorite digital devices via the USB input, expanding your audio options and ensuring a versatile listening experience.PC-USB cable is not included,please prepare by yourself.If you want to connect it to your Andriod or ios phone,please prepare an OTG cable.