ZK-502MT Bluetooth 5.0 Subwoofer Amplifier Board 2.0 Channel High Power Audio Stereo Amplifier Board 2X50W Bass AMP

High-concerned chemical : None Signal To Noise Ratio : ≥100dB Dimensions (WxHxD) : 89x60x21mm Body Material : Plastic WIFI : Yes Bluetooth : Yes PCM : Yes DSD (Direct Stream Digital) : No Operational Amplifier Chips Model : N/A DAC Model : N/A Channels : 2 (2.0) Package : yes Model Number : ZK-502MT Type : Mini Amplifier Recommended Headphone Maximum Impedance : < 32 Ohm Built-in Battery : No Output Type : LINE OUT (AUDIO OUT) Input Type : LINE IN (AUDIO IN) Output Voltage : DC≤24V Certification : CE Origin : Mainland China