Root 4
4×4 matrix DSP amplifier delivering 250W per channel at 8 ohms. Bridgeable to 2×800W mono at 4 ohms. 48-bit DSP with 20 preset configurations.
Power Output
250W per channel.
Up to 800W bridged.
4 channels · Class D · 1U rack · XLR balanced inputs · Speakon NL4 outputs · 48-bit DSP
Signal Routing
Any input.
Any output.
The 4×4 routing matrix lets you send any input signal to any combination of output channels. Sub mixes, zone splits, mono sums — all programmable without external hardware.
Diagonal = default identity routing (In 1→Out 1, etc.) · Any cell is programmable via Root 4 DSP Software
Bridge Mode
4 channels stereo.
Or 2 × 800W mono.
Bridge any adjacent channel pair into a single high-power mono output. Drive subwoofers or high-SPL zones without additional hardware.
Speakon NL4 — Bridge wiring
Signal Path
Balanced in.
Speakon out.
DSP Control
Full control.
Without limits.
Root 4 DSP Software gives you complete control over every parameter — EQ, routing, crossovers, delay, gain, and limiting — from a single interface.
Download Root 4 DSP SoftwareTechnical Specifications
Built different. By design.
Common installations
The signal chain.
Root 4 handles DSP and amplification in a single 1U chassis. XLR balanced in, Speakon NL4 out — no separate processor required.