Features 1、The connector is made of high-quality materials, withstands large currents, and does not generate heat. 2、High‑quality solid capacitors ensure power storage and heat dissipation capabilities, and ensure stable and continuous power supply. 3、5.0 BT version, this audio amplifier module has higher transmission efficiency and longer transmission distance. 4、The potentiometer adjusts the volume with a switch for easy control of the volume, making it ideal for DIY speakers. 5、Wide range of uses, used in sound engineering, electronic equipment, etc. to amplify digital audio signals. Specification Item Type: Audio Amplifier Module Material: Printed Circuit Board Adapted Speakers: 30w~200w, 4Ω, 8Ω Number of Channels: Left and Right Dual Channels (stereo) BT Version: 5.0 BTTransmission Distance: Approx. 15m / 16.4yd(Unobstructed) Purpose: Amplify Digital Audio Signal Applicable Scenarios: Sound Engineering, Electronic Equipment Package List 1 x Audio Amplifier Module 1 x DC Cable