SK3875 Audio Power Amplifier 60W+60W 4780 Chip Fast Dynamic Response Amplifier with Aluminum Alloy Case 220V Precaution: - Handmade products do not support returns. - Due to the frequent shortage of imported components, replacement components may be sought after, and sometimes the amplifier may be upgraded and optimized. There may be slight differences between the actual product and the picture. Thanks for your understanding. Difference: - 3886 chip version: 68W + 68W; bass is the best, belonging to the slow paced type. - 7293 chip version: 100W + 100W; the sound is transparent, with the best human voice and faster dynamic response. Higher power. - 4780 chip version: 60W + 60W; it has the best sound transparency, the best three tone layering, and even better low frequencies, with super strong resolution. Specification: - Power: 60W + 60W - Power supply: 220V - Product size: 311 x 190 x 70mm Package Included: - 1 x Power Amplifier