Features:
Specifications:
Working Voltage: 2.5V-5.5V DC (should no over 5.5V, pay attention to polarity)
Suitable Speaker: 4-8Ω (4Ω is recommended); speaker power 2-8W
Size: 2.3*1.8cm/0.9*0.7in
Quantity: 5pcs
Weight: 2g(approx.)
Package Includes:
5 x Power Amplifier