SOUNSTREAM RSM4.1200D Class D 4-Channel Car Amplifier – 1200W Car Audio Amp with
Model number RSM4.1200D RZ4-1200D RSM1.2000D MR4.1400D ST1.1000D PN4.1000D. Upgrade your car stereo amplifier setup with Soundstream’s high-performance, space-saving Class D amplifier, built for superior sound clarity and efficiency.