ขาย Rr บลูทูธเครื่องขยายเสียงสเตอริโอดิจิตอลสําหรับลําโพง Diy ราคาที่ดีที่สุด

#Bluetooth-compatible #Digital #Power #Amplifier #Board #Audio #Stereo #Amplifier #for #DIY #Speakers Bluetooth-compatible Digital Power Amplifier Board Audio Stereo Amplifier for DIY Speakers Features: High and bass independent adjustment, treble transparent, bass thick, good performance. Support mobile APP control, can be connected to mobile phone Bluetooth-compatible use, more convenient. The power amplifier board has overheat protection, circuit protection, over-voltage and under-voltage protection. The main knob adopts a rotary encoder to achieve 360° stepless tuning, which makes the hand feel smooth. Long press the switch machine, simple operation. Adopt advanced technology, stable power, fast speed and good use effect. Specification: Material:ABS Power Supply:Above DC5-26V/5A Frequency Domain:20Hz-30KHz Out Power:50W*2 Size: Approx. 8.4 x 6.5 x 2.5 cm / 3.30 x 2.55 x 0.98 inches Package Includes: 1 Piece Stereo Bluetooth-compatible Power Amplifier Board note: Please allow 1-2cm errors due to manual measurement. Because of the different display of each computer, the pictures may not reflect the actual color of the item.