Features:

• The Bluetooth Stereo Amplifier adopt performance 2pcs texas instrument TPA3116D2 amp chip, 2pcs NE5532 op amp chippest, Qualcomm QCC3003 Bluetooth 5.0 Module, 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-S
• 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 Subwoofer

• 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:

1* BT30D Amplifier

1* 24V 4.5A Power Supply

1* User Manual