#1	HIFI StereoHigh quality 21 channel 220W220W350W Bluetooth 51 power amplifier board With AUX Bluetooth U disk USB sound card a variety of audio input methods With two output modes of active and passive speakers you can enjoy the music you want anytime anyw
#2	New upgrade The Bluetooth 51 power amplifier board supports APP control and you can modify the Bluetooth name and password settings The 51 Bluetooth version has settings such as adjustable sound volume turn onoff sound and timed shutdown Comes with 10 nat
#3	TPA3251D2 power amplifier chipThe power amplifier board uses 2 TPA3251D2 chips from Texas Instruments It is a highperformance class D power amplifier which has class D efficiency and can bring true highend sound quality The device features an advanced int
#4	Super Compatibility51 Bluetooth version higher transmission efficiency more stable and longer transmission distance In open spaces the wireless range is up to 15 meters 49 feet Can be widely used in various devices such as tablet computers PCs TVs smartph
#5	Safety ProtectionThe amplifier board has short circuit overcurrent overheating and antistatic protection to prevent complete failure When overloaded the device reports a fault condition to the processor to protect itself from damage
Keepa ASIN	B0B3D4786D
Brand	MakerHawk
Model	ZK-AS21