Do you have a question about the REL Acoustics Q401E USA and is the answer not in the manual?
Essential safety instructions for operating the REL Sub-Bass system, including handling and maintenance.
Information on Class II specification, double insulation, and earthing requirements.
Explanation of Neutrik Speakon (high level) and phono (low level) input connections.
Step-by-step guide for connecting the sub via the high level Neutrik Speakon input.
Instructions for connecting via 0dB and +12dB phono low level inputs.
Key considerations before connecting the REL, including positioning and connection methods.
Guidance on high-level and low-level connection procedures.
Guidance on placing the REL in a corner for best bass response and wave launch.
Detailed steps: phase, orientation, placement, and crossover/gain adjustment.
Description of the 'set-safe' electronic protection and thermal overload features.
| Type | Active Subwoofer |
|---|---|
| Finish | Black Ash |
| Crossover Frequency | 30 - 120 Hz |
| Inputs | RCA |
| Outputs | RCA |
| Driver Size | 10-inch |











