AIYIMA B07 Bluetooth Amplifier 2.1 Channel HiFi Stereo amp,300Wx2+300W TPA3255 Chips Subwoofer Amp with Bass Treble Controls, Dual Power Interface Design for Home Desktop Bookshelf Speakers.

About this item

• HIGH POWERFUL OUTPUT: The AIYIMA B07 consists of two TPA3255 high-power, low-distortion, high-efficiency management chips designed to deliver 300W x 2 for stereo desktop bookshelf speakers and an additional 300W for subwoofers, providing powerful, clear sound for a variety of audio setups
• BLUETOOTH 5.2 VERSION : Ensures stable and high-quality wireless streaming from most bluetooth devices, Support AAC, SBC, aptX, aptX-LL,APTX-HD, Achieve stable and efficient Bluetooth transmission
• INDEPENDENT CONTROLS: The B07 mini Bluetooth amplifier with speakers and subwoofer independent control function, increase the independent subwoofer frequency adjustment (± 4db) and cut-off frequency adjustment (50-220Hz) knob design, allowing users to fine-tune the audio settings according to their own preferences
• USES PROFESSIONAL EXCELLENT ACCESSORIES: Sturdy construction using professional audio components such as ruby capacitors, elna capacitors, high power phase mode inductors, etc. for durability and reliable performance. Stable performance gives you excellent and clear sound quality
• VERSATILE CONNECTIVITY: B07 supports Bluetooth 5.2 and RCA & 3.5mm AUX inputs, making it easy to connect to various audio sources. It also has outputs for passive speakers, a subwoofer, and an AUX output​,Easy to build your 2.0/2.1/2.2 home audio systems
• UNIQUE DESIGN: increase the auxiliary power supply design, to meet the needs of more users on the use of different power, according to the customer’s different speaker power to freely customize your output power, The parcel equipped with a DC48V 5A high-power power supply

There are four ways to connect the B07,
2.0 channel: Only left and right channel speakers
2.1 Channel left and right channel speaker + passive subwoofer
2.1 Channel left and right channel speakers + active subwoofer
2.2 Left and right channel speaker + passive subwoofer + active subwoofer