




DS18 i48DSP 4-Input / 8-Output Digital Sound Processor with Bluetooth and App Control
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DS18 i48DSP 4-Input / 8-Output Digital Sound Processor with Bluetooth and App Control — specifications as published by DS18.
DS18 i48DSP
4-Input / 8-Output Digital Sound Processor with Bluetooth and App Control
DS18’s i48DSP gives you total command over your sound system!
With 4 RCA inputs and 8 fully configurable RCA outputs, this DSP (digital sound processor) lets you build and fine-tune your audio experience across any setup.
Bluetooth App Control
Set crossover points, time alignment, limiter, and EQ right from your phone . Integrated with Bluetooth Version 5.1, the i48DSP lets you make live tuning adjustments wirelessly using DS18’s iDSP app (iOS and Android).
High-Performance Audio Tuning
Equipped with a 96kHz/32-bit sampling rate DSP chip (AK7735) and CS4344 signal conversion, the i48DSP gives you pinpoint audio control. It features a 31-band parametric EQ on each channel, routing with mixing, bandpass filtering, limiter per output, and a built-in noise gate: all with impressively low distortion (0.04% THD).
Clean Signal, Low Noise
With an output of up to 3.3V and a 101dB signal-to-noise ratio, the i48DSP ensures ultra-clean sound with minimal interference. It also includes clip and limiter LEDs to prevent distortion and protect your equipment during high-output sessions.
Built to Fit Anywhere
This compact DSP is housed in a brushed aluminum body with surface-mount technology and anti-corrosion PCB coating. Designed to work with all systems, the i48DSP installs easily into a variety of vehicles and integrates seamlessly with aftermarket or OEM systems.

