Reiss RS-W800.4D

Reiss RS-W800.4D – 4-channel Class D amplifier 225W x4 @ 4 Ohm with high power and compact design

Reiss RS-W800.4D is a powerful Class D 4-channel amplifier developed for those who want to drive midbass drivers, midranges, or complete speaker systems with both strength and control. With 225W RMS per channel at 4 Ohm, it offers plenty of power for serious audio builds where clarity and dynamics are essential.

The amplifier delivers up to 325W RMS per channel at 2 Ohm and can be bridged to 525W x2, providing flexibility for several different system configurations. The wide frequency range of 10–20,000 Hz makes the RS-W800.4D well suited for both full-range systems and more specialized installations.

Thanks to the efficient Class D design, you get high output with low heat generation and excellent efficiency, making the amplifier stable even during extended and demanding listening sessions. With a signal-to-noise ratio of 90 dB, it delivers clean and clear sound with good control across the entire frequency range.

The adjustable filters make it easy to fine-tune the system according to the installation and speakers. Both the high-pass filter and low-pass filter can be adjusted between 40–400 Hz, providing great flexibility when running midbass drivers or bridged speaker setups.

Reiss RS-W800.4D is an excellent choice for those looking for high power, compact size, and strong efficiency in a modern 4-channel amplifier built to play loud and remain stable.