ZK-502C Bluetooth 5.0 Amplifier Board, 100w Dual Channel Audio Amp Board, Password Free Connect for Home Passive

ZK-502C Bluetooth 5.0 Amplifier Board,100w Audio Amp Board Dual Channel DC8-24V, Password Free Connect to Phone Quietly for Home Passive Speakers TPA3116D2

ZK-502C Bluetooth 5.0 Amplifier Board, 100w Dual Channel Audio Amp Board, Password Free Connect for Home Passive

Specification: Input Mode: Bluetooth / AUX Work Voltage: DC 5V-27V (Above 2A) Channel: 2 CH Stereo Output Bluetooth Version: Bluetooth 5.0 Bluetooth Transmission Distance: 50 Ft MAX Power Output: 50W x 2 Terminating Impedance: 4 - 8 Ohm Match Speaker: 50 - 200 watt Work Humidity: 0%~95%RH Match speaker(30W~100W): Steps: Step 1-Use the screwdriver to loosen the speaker terminals on the amplifier. Step 2-Insert the speaker wires. Step 3-Install the screws to secure the speaker wires Package Includes: 1pcs ZK-502C Stereo Bluetooth Power Amplifier Module 2pcs Acrylic shell 4pcs 12mm Copper column 8pcs 8mm Screw 1pcs Steel nut, screw mat 1pcs 20cm power cable 1pcs Screwdriver 1pcs Knob 1pcs Heat sink NOTE: 1.The power amplifier board should be as far away from the WIFI signal (router) as possible to avoid signal interference. 2.Please don't use too long wire. 3. It is recommended to use a speaker above 50W. 4.Different impedance speakers have different output power.In the case of sufficient voltage and current, the greater the impedance of the speaker, the smaller the relative sound power.

Key Features

• ✅ Working voltage range DC5-27V, for 4-8O, 50-200watt passive speakers.It is recommended to use a DC15V-24V power adapter with a current above 2A.
• ✅ Stable Performance:Adopt TPA3116D2,with AM interference suppression function chip;THD is less than 0.1% even with high power operation for long time.
• ✅ Feature:Support 3.5mm wired input and Bluetooth 5.0 input.With volume control and excellent sound quality.
• ✅ Protection:This bluetooth amplifier board has reverse connection protection, over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection.
• ✅ NOTE:When the audio input is sufficient and the power supply voltage/current is sufficient, there needs to be enough output power, and the relative power will be higher.

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