Features:

The Bluetooth Stereo Amplifier adopt performance 2pcs texas instrument TPA3116D2 amp chip, dual channel max output power 50W x2 +100W to get clear audio sound, no pop, no audible noise, dead silent when nothing is playing through it.
Speakers full frequency output, By using custom treble bass knob and adjustable 40-300Hz cutoff frequency for subwoofer, you'll be able to get the best sound!
Supports wireless playback from Bluetooth devices, Bluetooth 5.0 wireless music streaming technology with external antenna make a transmission distance of more than 15m/49ft
Full metallic shell to ensure high quality and durable, advanced circuitry design, built-in speakers protection circuit to ensure Hi-Fi clear and clean sound; With unrivaled sound for the customers who pursue HiFi sound!
Upgraded DC power outlet for safe use without sparks, included high quality 24V/4.5A power supply enough to drive most passive speakers and powered/passive subwoofer.

Highlight:

Model: BT30D

Chippest: TPA3116D2

Maxpower Output: 50W*2+100W

THD: 0.05%@output 1W; SNR ≥98dB

Working Voltage: 12-24V

Speakers Frequency Response: 20Hz-20kHz(±3dB)

Bass Cutoff Frequency Range Adjustment: 40-300Hz

Device Dimension: L118 x W132 x H35 mm/4.72 x 5.2 x 1.38inch

Input mode: Bluetooth/RCA

Output mode: Passive Speakers + Passive/Active Subwoofe

Bluetooth: Bluetooth 5.0, up to 15m/49ft wireless range without hindrance

Easy Connection

Bluetooth Network Name: FOSI AUDIO

Wireless Range: Up to 15m/49ft.

Works with All of Today’s Latest Bluetooth Devices(IOS, Android, Smartphone, Pad, Tablet etc.)

Package Include:

*1x BT30D Amplifier

*1x 24V 4.5A Power Supply

*1x User Manual