Description
ARC Audio LR2 Programmable DSP Controller
The ARC Audio LR2 is a programmable single-function digital remote controller designed for seamless integration with ARC Audio stand-alone DSPs and DSP amplifiers. As part of the ARC Audio DNA DSP ecosystem, the LR2 provides direct, intuitive control over one user-defined function—allowing precise, on-the-fly system adjustments without accessing software.
Ideal for OEM upgrades and fully custom DSP-based systems, the LR2 delivers predictable and synchronized system control through ARC Audio’s DNA 2.7+ PC software platform.
Programmable Single-Function Control
- Assignable to one dedicated control function per installation
- Common applications include master volume, subwoofer level, bass boost, and more
- Digital controller design for precise and repeatable adjustment
- Fully programmable through ARC Audio DNA 2.7+ software
Dual DSP Control Capability
The LR2 can control up to two ARC Audio DSPs simultaneously, making it an excellent solution for advanced multi-processor systems that require synchronized adjustments across components.
- Controls one DSP with included cable
- Controls two DSPs with the addition of a second LR2-compatible cable (sold separately)
- Maintains identical behavior across both processors
Installation & Included Hardware
- Includes 5-meter (20-foot) 4-pin low-impedance data cable
- Pre-mounted to right-angle L-bracket for quick installation
- Knob and circuit board removable from bracket for custom mounting applications
Specifications
| Product Type | DSP Controller |
| Controller Type | Digital |
| Function Controls | Single Function (User Programmable) |
| Feature Control | Single (Volume, Sub Level, Bass Boost, etc.) |
| Compatible With | All ARC Audio Stand-Alone DSPs & DSP Amplifiers |
| Control Quantity | Up to Two DSPs Simultaneously |
| Included Hardware | L-Bracket Mount & Cable |
| Cable Type | 5 Meter (20ft) 4-Pin Low Impedance Cable |
| Software Requirements | DNA 2.7+ |
Used Frequently Asked Questions
- What does used mean? Used products may be unused customer returns that are essentially "new" items, or they may be previously installed products that were returned under warranty or during our return policy period.
- What is the warranty? All of our used items come with a 90-day warranty.
- What's it look like? All of our used items are inspected and graded by our returns team at our facilities. They will test them and grade them to one of four standard gradings: Used Open Box, Used Very Good, Used Good, and Used Acceptable. Please see the following descriptions of each grade - also note that if an item falls under ANY of the criteria for a certain grade, even though the rest of the product is better, we will give it the lowest grade.
- Used Open Box An item in perfect working condition. Original protective wrapping may be missing, but the original packaging is intact and in good condition with minor damage possible. Instructions are included.
- Used Very Good A well-cared-for item with limited use, remains in good working condition. The item may show some limited signs of wear,small scratches,cosmetic blemishes. Item may arrive with damaged packaging or be repackaged and could be missing some accessories.
- Used Good The item shows wear from use, remains in good condition and functions properly. May have damaged packaging or be repackaged. It may be marked, have identifying markings on it, have minor cosmetic damage. It may be missing some parts or accessories.
- Used Acceptable The item is fairly worn but continues to function properly. While repackaged; signs of wear can include aesthetic issues; scratches, dents. The item may have markings on it or show signs of previous use. Item may be missing some parts or accessories.
- Have more questions? Call us, send us a chat, or an email. We'll be able to answer any additional questions you may have.