The Bluetooth Stereo Amplifier adopts 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 the custom treble bass knob and adjustable 40-300Hz cutoff frequency for the 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 (The plug of the power adapter will match the country of your delivery address) enough to drive most passive speakers and powered/passive subwoofer.

Specifications	Details
Model	BT30D
Chippest	TPA3116D2
Maxpower Output	50W*2+100W
THD	0.05%(@1W)
SNR	≥98dB
Working Voltage	12-24V
Speakers Frequency Response	20Hz-20kHz(±3dB)m
Bass Cutoff Frequency Range Adjustment	20-200Hz
Impedance	2-8 Ohms
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 Subwoofer
Bluetooth	Bluetooth 5.0, up to 15m/49ft wireless range without hindrance
Wireless Range	Up to 15m/49ft

Tips: The plug of the power adapter will match the country of your delivery address.

BT30D User Manual

2.1 Channel Amplifier