2.1 Channel Amplifier:The BT30D PRO integrated amplifier features two sets of passive speaker outputs and one set of passive subwoofer outputs, making it easy to set up a 2.1 home theater or other stereo HiFi audio systems. High Power with Exceptional Sound Quality:Equipped with two high-end Texas Instruments TPA3255 Class-D amplifier chips, the amplifier home audio delivers clear and pure sound without distortion or clipping, stably outputting up to 165W x 2 + 350W of power. Bass Beast:Whether you're a gamer, movie buff, or music lover, the subwoofer amplifier provides tight, smooth, and natural - sounding bass. It features two dedicated knobs for subwoofer control: the SUB FREQ knob allows precise frequency adjustment of passive subwoofers from 0 to 300 Hz, while the SUB VOL knob lets you set the desired volume level. This gives you full control over the bass output to suit your personal preferences and listening environment. Bluetooth 5.0 Connectivity:This Bluetooth amplifier, which automatically reconnects to the previously paired device when turned on. It maintains a stable connection and delivers clear audio over a range of up to 15 meters. This makes it perfect for enjoying your favorite tunes or audio content in outdoor areas such as your yard, terrace, or poolside, without worrying about signal drop - outs or interruptions. Exquisite Craftsmanship:This mini amplifier is meticulously crafted with a solid, all - metal body that ensures durability and longevity. The well - designed case, along with the high - quality controls and connectors, exudes a sense of premium build and attention to detail. The exquisite packaging further adds to the overall appeal and value of the bass amp.