ZK-502C HiFi 2.0 Stereo Bluetooth-Compatible Digital Amplifier Board TPA3116 50W x 2 Speaker Dual Channel Audio Amplifier with Filter with Shell

Price: $14.99
(as of Aug 14, 2025 03:43:30 UTC – Details)

Product Name: HIFI level 2x50W Bluetooth-Compatible digital amplifier board with filtering
Product model: ZK-502C
Chip solution: TPA3116D2 (with AM interference suppression function)
Whether there is a filter: Yes (the filtered sound is smoother and clearer)
Adaptive power supply voltage: DC5~27V (optional 9V/12V/15V18V/24V adapters, high voltage recommended for high power)
Compatible speaker: 30W~200W, 4Ω , 8Ω
Number of channels: left and right dual channels (stereo)
Bluetooth-Compatible version: 5.0
Bluetooth-Compatible transmission distance: 15 meters
Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection
Power supply voltage:
12V-8Ω speaker/12W (left channel)+12W (right channel), 4Ω speaker/20W+20W
15V-8Ω/18+18W, 4Ω/greater than 30+30W
19V-8Ω/32+32W, 4Ω/greater than 45+45W
24V-8Ω/38+38W, 4Ω/greater than 55+55W
Size: 82mm*50mm* 18mm
Shipping weight (including packaging box and accessories) 111g
Enhanced Sound Quality: Experience rich and clear audio with the TPA3116D2 chip and built-in filter in the ZK-502C HIFI Bluetooth-Compatible Amplifier Board. Immerse yourself in high-fidelity sound
Versatile Compatibility: This 2x50W amplifier board is compatible with a wide range of speakers (30W-200W, 4Ω/8Ω) and power supplies (DC5-27V). Enjoy a seamless audio experience
Advanced Bluetooth-Compatible Technology: With Bluetooth-Compatible 5.0, enjoy a stable connection up to 15 meters away. Stream your favorite music wirelessly with ease
Comprehensive Protection: The ZK-502C features protection mechanisms against overvoltage, undervoltage, overheating, DC detection, and short circuits. Keep your devices safe
Compact Design: Measuring just 82mm x 50mm x 18mm, this amplifier board is lightweight and portable. Bring your audio setup to life with the ZK-502C HIFI Bluetooth-Compatible Amplifier Board