Product：TB21HSPRO
Model Bluetooth Version：5.3
Bluetooth IC：AT6835
Amplifier IC：3116
Output Power (THD = 1%)：50W
Compatible BatteryBattery ：12V Lithium Iron Phosphate / Lead - Acid
Supported Audio Formats：MP3，WMA，WAV，FLAC
Frequency Response Range：20HZ-20KHZ
Total Harmonic Distortion：≤1%
Signal - to - Noise RatioBass: 79DB
Input Interfaces：USB TF AUX MIC FM
Boost Voltage (V) ：19.2V