Soundmax SX-LX4225.4D

Soundmax SX-LX4225.4D – 4-channel Class D amplifier 225W x4 @ 4 Ohm with high power and compact design

Soundmax SX-LX4225.4D is a powerful 4-channel amplifier in Class D, developed to deliver high output in a compact and efficient format. With 225W RMS per channel at 4 Ohm, it is an excellent choice for driving midbass drivers, midrange speakers, or complete speaker systems with both control and impact.

The amplifier delivers up to 285W RMS per channel at 2 Ohm and can be bridged to 570W x2, providing flexibility for different types of installations. The wide frequency range of 10 Hz – 45 kHz makes it suitable for both full-range systems and more specialized setups.

Thanks to the efficient Class D design, you get high output with low heat generation, making the amplifier stable even during extended listening sessions. With THD of 0.15% and a signal-to-noise ratio of 90 dB, it delivers clean and controlled sound even under heavy load.

The adjustable filters make it easy to fine-tune your system: high-pass filter between 50–500 Hz and low-pass filter between 50–250 Hz, providing flexibility for both speakers and midbass drivers.

With high-level input and a wide input sensitivity of 0.25–8V, the SX-LX4225.4D works just as well with factory head units as with aftermarket systems.

The compact size of 260 × 120 × 52 mm makes installation easy, while three 40A fuses ensure stable and reliable operation.

Soundmax SX-LX4225.4D is a strong choice for those seeking high power per cost, flexible use, and a compact format in a modern 4-channel amplifier.