Soundmax SX-LX4350.4D amplifier 4 channel

Soundmax SX-LX4350.4D – 4-channel power amplifier with extreme power and full control

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The Soundmax SX-LX4350.4D is a powerful 4-channel power amplifier developed for systems where both power resources and flexibility are in focus. With a full 350W RMS per channel at 4 Ohms, this is a power amplifier that can easily drive powerful midbasses, midrange or complete front systems – with control, dynamics and clean reproduction.

At 2 Ohms, the power amplifier delivers 530W per channel, and when bridged you get up to 1060W RMS x2, which makes the SX-LX4350.4D extremely versatile. It can be used both as a pure high-power amplifier for multiple speakers or as a powerhouse for more advanced system solutions where power per channel is crucial.

The very wide frequency range from 10 Hz to 45,000 Hz means that the power amplifier reproduces the signal with high precision across the entire register. With adjustable high-pass filter (50–500 Hz), low-pass filter (50–250 Hz) and built-in bandpass mode, you can easily adapt each channel to the needs of the system – whether it is mid-bass, midrange or dedicated bass drive.

The SX-LX4350.4D is equipped with a high-level input, making it easy to integrate with original stereo without additional adapters. The wide input sensitivity of 0.25–8 V provides stable compatibility with both OEM systems and powerful aftermarket units. With 90 dB signal-to-noise ratio and low distortion (0.15%), the power amplifier delivers a clear, controlled and distortion-free sound even under high loads.

The Soundmax SX-LX4350.4D is a power amplifier for those who want extreme power per channel, high flexibility and stable performance in one and the same stage – perfect for serious builds where compromises are not an option.

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Technical data

• Number of channels 4 Channels
• Power into 2 ohms RMS 4x 530W
• Power into 4 ohms bridged RMS 2x 1060W
• Power into 4 ohms RMS 4x 350W
• Frequency range 10Hz - 45,000 Hz
• High pass filter 50 - 500 Hz
• Band pass filter Yes
• Low pass filter 50 - 250 Hz
• High level input Yes
• Input sensitivity 0.25 - 8 V
• Signal noise 90dB
• THD 0.15%