ARC AUDIO LR-2-UOB Programmable Dsp Level Controller Box 828863001961

( Brand: Arc Audio ), ( Manufacturer Part Number: LR-2-UOB ), ( Part Type: Level Controller Box ), ( Bullet Point1: Programmable Single-function Dsp Controller For Volume, Sub Level ), ( Bullet Point2: Controls Up To Two Arc Audio Dsps Simultaneously ), ( Bullet Point3: Compatible With All Arc Audio Stand-alone Dsps And Dsp Amplifiers ), ( Bullet Point4: Includes 5-meter ), ( Bullet Point5: Programmable Via Arc Audio Dna 2.7 Pc Software For Precise Syste ), ( UPC: 828863001961 )

Review ARC AUDIO Lr2 Programmable Dsp Level Controller Used Open Box

The **Arc Audio LR-2-UOB** is a sophisticated, high-performance **programmable DSP Level Controller Box** designed to deliver unparalleled precision, flexibility, and reliability for professional audio applications. Engineered with cutting-edge **digital signal processing (DSP)** technology, this compact yet powerful unit is ideal for sound reinforcement, live music production, broadcast, and critical listening environments where consistent, high-fidelity signal management is essential. At its core, the LR-2-UOB features a **dual-channel architecture**, allowing for independent control of two separate audio paths with seamless integration into any signal chain. Its **fully programmable DSP engine** enables real-time adjustments for gain, EQ, dynamics, and even advanced processing like noise gating, compression, and spatial effects, all without compromising audio integrity. The unit s **user-friendly interface** combines intuitive knobs, backlit displays, and a responsive touch-sensitive panel, making it accessible for both seasoned engineers and newcomers alike. With **low-latency processing** and **ultra-clean analog I/O**, the LR-2-UOB ensures that every nuance of your audio signal is preserved, whether you're fine-tuning a live performance, optimizing a broadcast feed, or refining studio mixes. Its **durable construction** and **rugged build** make it a dependable choice for demanding environments, while its **compact, modular design** allows for seamless integration into existing setups without sacrificing functionality. Whether deployed as a standalone level controller, a preamp booster, or a critical link in a multi-channel routing system, the Arc Audio LR-2-UOB sets a new standard for versatility, performance, and ease of use in modern audio engineering.

The **ARC Audio LR-2-UOB** is a programmable DSP-based level controller designed for audio mixing and routing applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros of the ARC Audio LR-2-UOB**

1. **Programmable DSP Processing**

The LR-2-UOB features a built-in DSP engine that allows for advanced audio processing, including dynamic EQ, compression, and routing automation. This flexibility makes it useful for live sound, broadcast, and studio applications where precise level control and signal shaping are required.

2. **High-Quality Audio Path**

ARC Audio is known for its high-quality analog and digital signal processing. The LR-2-UOB maintains clean, low-latency audio with minimal noise or distortion, which is critical for professional audio applications.

3. **Versatile Routing and Mixing Capabilities**

The unit supports multiple input and output configurations, allowing for complex routing scenarios such as matrix mixing, sub-mixing, and signal distribution. This makes it ideal for larger installations where multiple signals need to be managed efficiently.

4. **Remote Control and Automation**

The LR-2-UOB can be controlled via ARC s **ARC Control** software or **MIDI/OSC**, enabling remote adjustments for levels, routing, and DSP parameters. This is particularly useful for live sound applications where quick changes are necessary.

5. **Compact and Modular Design**

The LR-2-UOB is part of ARC s modular line, meaning it can be integrated into larger systems with other ARC units (e.g., mixers, processors) for a cohesive setup. Its compact form factor makes it space-efficient for control rooms or touring setups.

6. **Low Latency**

With DSP processing, the LR-2-UOB maintains low latency, which is essential for real-time audio applications where timing is critical.

7. **Durable and Reliable Build**

ARC Audio products are known for their robust construction, making the LR-2-UOB suitable for demanding environments like live performances, broadcast studios, or touring setups.

8. **Support for Advanced Features**

The unit includes features like **automation presets, level faders with touch-sensitive controls, and customizable routing**, which enhance workflow efficiency.

---

### **Cons of the ARC Audio LR-2-UOB**

1. **High Cost**

The LR-2-UOB is a professional-grade device, and its price reflects that. For smaller setups or hobbyist use, the investment may be prohibitive compared to simpler level controllers or mixers.

2. **Complexity for Beginners**

The programmable nature of the LR-2-UOB means it has a steeper learning curve. Users unfamiliar with DSP programming or ARC s software may struggle to fully utilize its features without training.

3. **Limited Physical Controls**

While the LR-2-UOB includes touch-sensitive faders and knobs, some users may prefer traditional physical knobs or sliders for tactile feedback, especially in high-stress environments like live sound.

4. **Software Dependency**

Full functionality relies on ARC Control software or remote control interfaces. Without these tools, the unit s advanced features are less accessible, which could be a drawback for users who prefer standalone operation.

5. **Compatibility with ARC Ecosystem**

While the LR-2-UOB integrates well with other ARC products, users with existing non-ARC equipment may need additional interfaces or adapters, adding complexity and cost.

6. **Power Requirements**

The unit requires a stable power supply, and in some cases, additional power conditioning may be necessary for reliable operation, especially in environments with poor electrical infrastructure.

7. **No Built-in Effects**

Unlike some DSP-based processors, the LR-2-UOB focuses on level control and routing rather than hosting effects plugins. Users needing built-in reverb, delay, or other effects will need to pair it with additional hardware.

8. **Firmware Updates and Support**

While ARC Audio provides updates, users must ensure their software and firmware are compatible, and some may experience occasional bugs or quirks that require troubleshooting.

---

### **Conclusion**

The **ARC Audio LR-2-UOB** is a powerful, flexible tool for professionals who require advanced level control, routing, and DSP processing in their audio workflows. Its strengths lie in its programmability, high-quality audio handling, and integration with ARC s ecosystem, making it ideal for live sound, broadcast, and studio applications where precision and automation are key.

However, its complexity, high cost, and reliance on software may not suit beginners, hobbyists, or users with simpler needs. If you re working in a professional environment where dynamic routing, automation, and DSP processing are essential, the LR-2-UOB is a robust choice. For smaller setups or basic level control, a simpler mixer or standalone processor may be more practical.

---

### **Recommendation**

- You work in **live sound, broadcast, or studio environments** where advanced routing, automation, and DSP processing are critical.

- You already use or plan to integrate **ARC Audio products** into your system.

- You have the **budget and technical expertise** to fully utilize its features.

- You need **low-latency, high-quality level control** with customizable presets.

- You re a **beginner or hobbyist** looking for a simple, plug-and-play solution.

- Your budget is limited, and you can achieve similar results with a **less expensive mixer or standalone processor**.

- You prefer **physical knobs and sliders** over touch-sensitive controls.

- You don t need **programmable DSP** and are only looking for basic level adjustments.

For users who find the LR-2-UOB too complex or expensive, alternatives like the **Behringer Xenyx series, Allen & Heath ZR series, or smaller DSP units like the **Soundcraft ViDock** (for iOS control) may offer a more accessible entry point into advanced routing and level control.

Details:

For custom applications, the control knob and circuit board can be removed from bracket, providing flexible options to suit a range of interiors. With the addition of a second isolated data cable sold separately, it can manage two processors at same time with identical behavior. Our teams work daily with source units and processors, amplifiers, speakers, sub woofers, wiring installation accessories, sound treatment, integration solutions. Item Details Condition USED, Brand ARC Audio, Weight 10.00 UPC 1.

What sets the LR2 apart is its ability to control up two ARC Audio DSPs simultaneously, making it an ideal solution for complex multi-processor systems or installations where system-level adjustments must remain perfectly synchronized. Marine Audio. ARC Audio LR2 Programmable DSP Level Controller - Used, Open Box: Review details, highlights, and below. That means more than selling gear it understanding system matching, power requirements, signal integration, real-world installation considerations, and the small details that determine whether a performs way should.

As part of the ARC Audio DNA DSP ecosystem, LR2 allows users to assign one clearly defined control function such as master system volume, sub woofer level, or bass boost a single physical knob for quick, on-the-fly adjustment without accessing software.

part #: lr2 prices

• $17.29-$60.00

specifications caramplifieca:

• brand: Arc Audio
• mpn: Lr-2-uob
• part type: Level Controller Box
• bullet point1: Programmable Single-function Dsp Controller For Volume, Sub Level
• bullet point2: Controls Up To Two Arc Audio Dsps Simultaneously
• bullet point3: Compatible With All Arc Audio Stand-alone Dsps And Dsp Amplifiers
• bullet point4: Includes 5-meter
• bullet point5: Programmable Via Arc Audio Dna 2.7 Pc Software For Precise Syste
• upc: 828863001961

offer caramplifieca:

• options: Ship-to-home
• sold: 0
• started: April 2, 2026
• availability: In Stock
• quantity: 1

shipping caramplifieca:

• type: Fixed
• transit: 5-5 Days
• class: Standard, Expedited, One-day
• cost: $0.00
• service: Standard, Expedited, Overnight

payments caramplifieca:

• other
• credit card: Diners-club
• wallet: Google-pay

returns caramplifieca:

• method: Money back
• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller caramplifieca:

• # reviews: 34985
• city: Springfield, Missouri
• rating: 99.7%

general caramplifieca:

• condition: Used
• Vehicle Electronics GPS > Car Audio > Car Amplifiers

Arc Audio LR-2 Is Similar To:

• 2300se Arc Audio Se2300 1300wrms (26.9% similar) Arc Audio 2300 never been installed was on display,bench tested so you know it works...(February 3rd, 2018)
• 4150 Clxr Arc Audio As (23.4% similar) Best thing to do is call the office and talk with brad. For sale non working Arc Audio 4150 clxi: never powered up as can see problems on circuit board missing few parts screws but complete with transistor clips...(September 15th, 2017)
• 4200se Arc Audio Top Of The Line Sq Amp (27% similar) Ship worldwide. For sale used fully tested working top of the line Arc Audio 4200SE four channel sq in very good cosmetic condition. Specs and info:balanced INPUTS12DB or 24DB slopes on both high pass passel channels are boost is adjustable for frequency level microprocessor controlled to adjust ...(June 7th, 2018)
• 900.6 Arc Ks Audio 6 Channel 900 Watts Rms 550 On Sub Channel No Reserve (30.6% similar) There are some screws lost one knob missing but can be adjusted with a screwdriver watts RMS on sub channel 4 ohms. There are dents around the amp. With 6 channel can move the whole system. This retails 799DLLS and is discontinued now. Was replaced by true technology and I dont seem to find lots ...(February 7th, 2016)
• 1200.6 Arc Audio Xdi Amplifier 6 Channel Full Range Class D Amp Brand New (29% similar) 6 glassful range 6 channel amplifier still in original packaging completely brand new. Brand new Arc Audio XFI rca inputs are compatible with speaker level inputs quick disconnect speaker terminal plugs remote bass level input 4 channel 2 ohms 150W 2 channel 4 ohms 300W 2 channel 4 ohms 150W ch in ...(December 22nd, 2015)
• 2080 Arc Audio Xxd Full Range Class D High Performance Amplifier (20.6% similar) Does not include wiring. A few cosmetic scratches but fully functional...(December 10th, 2015)
• 4000se Arc Audio Signature Edition Amp (32.7% similar) Has some scuffs but overall in great condition. Signed by Robert eff...(January 12th, 2016)
• 850.5 Arc Audio Xdi Amp (27.4% similar) Never used, in perfect condition...(September 8th, 2016)
• Arc4050 Arc Audio Cxl 4 Channel (27.2% similar) Arc Audio car amplifier model ARC4050 CXL4 channeled's in very good condition...(November 14th, 2016)
• Fd1200.1 Arc Audio Monoblock Sound Quality Amplifier Robert Zeff Design (26.6% similar) Great barely used in Arc Audio show car...(August 23rd, 2016)
• Fd600.1 Arc Audio New Old School 1 Channel Amplifier Rare Sq Flagship Chip Foose (30.3% similar) Mono block amplifier RMS power rating 4 ohms 336 watts x 1 Chan. Thetas been fully tested and recorded for my protection. 2 ohms 620 watts x 1 Chan. Retailed for 650 I have alto of other old school Audio listed. These are the most amazing amps when it comes to sound quality. 1 ohm 600 watts x ...(September 18th, 2016)