Upgrade Your Car Audio with E46.4A DSP Amplifier!

✅ 4CH High-Level Input + Optical/USB/BT 5.1：Seamless connectivity for factory & aftermarket systems!

✅ CLASS AB Amplifier, Dual Impedance Power：25W×4@4Ω / 50W×4@2Ω, delivers deep bass without distortion.

✅ CIRRUS LOGIC 3-Core DSP Chip：24Bit/192KHz Hi-Res decoding, studio-grade sound quality!

✅ 31-Band EQ + 15ms Time Alignment：Perfect soundstage tuning for every seat in your car.

✅ Dual USB & Lossless Playback：Directly play FLAC/APE/WAV files via USB drive or smartphone.

✅ PC/iOS/Android Tuning Apps：User-friendly interface for pro-level audio customization.

✅ 9-16V Wide Voltage & 0.35A Standby：Energy-efficient design for all vehicles.

Perfect For：Car audio enthusiasts, Hi-Fi music lovers, and DIY upgraders.