BT 5.0 Power Amplifier 100W Mini Hi-Fi Stereo Class D Audio Amp 2.0 Channel Wireless Receiver Lossless Music Player TF USB Home Speaker with Power Supply ( Item#: E14421EU-2 )

Features:
Supports Multiple Inputs -- Support RCA/AUX/USB/BT 5.0/USB Stick/TF Card inputs. The USB port supports both computers (no driver is required) and phones, pad (with OTG function), It can provide you almost all methods that you want to enjoy your music such as TV, set-box, CD player etc. U-disk and TF card support WAV, APE, FLAC lossless formats.
5.0 BT Singnal -- BT 5.0 lossless transmission, stable signal, long transmission distance (up to 12m), intelligently compatible with 99% of devices.
Smooth Volume Adjustment -- The volume knob adopts expensive encoders instead of normal potentiometer to avoid noise when adjusting volume.
Hi-Fi Sound -- HiFi clear and clarity sound, no audible noise, optimized circuit to ensure it has no noise even at the maximum output power.
50W + 50W High Power -- Classic TPA3116 chip can reach 100W(50W x 2) MAX output power, which can drive most home speakers. Suits most home desktop/bookshelf/indoor passive speakers(4-16Ω)
Precision Workmanship -- Proper size and attractive appearance with pure copper gold-plated terminals to strength the stability and accuracy of audio transmission signal.
Complete Accessories -- including high-quality 19V power supply,  no need to wait and enjoy its powerful function at once as long as you receive it.cable.

Specification
Plug: EU/US （optional）
Power Amplifier Chip: TPA3116
BT: 5.0 Version, 12M distance
Audio Inputs: 3.5mm AUX, BT, USB, RCA, TF Card or USB Stick.
Audio Outputs: Banana Speaker Jacks 
Output Power: 50W*2 (24V/4Ω load)
Speaker Impedance: 4Ω-16Ω
Frequency Response: 20Hz-20KHz(±1dB)
SNR: ≥98dB
Power Supply: DC9V-24V (with reverse polarity protection)
Power Supply Interface: 5.5*2.5mm/ 5.5*2.1mm
Item Size: 110 * 90 * 50mm/4.3 * 3.5 * 2.0in
Item Weight: 220g/7.8oz

Noted: This product needs to be used with power adapter, Set 1 do no include, but Set 2 and Set 3 are included!
The 12V batteries of conventional cars and motorcycles can be directly refitted for power supply. The 24 V batteries such as trucks are not recommended because the voltage will exceed 24 V after the car starts up. Long term use is not conducive to the chip or even burned out.

Package List:
1× Amplifier
1x Power Cord
1x Power Adapter
1× Mannul