ClearOne SL251 IP Zone Controller/Amplifier — Networked Multi‑Zone Audio Control

The ClearOne SL251 IP Zone Controller/Amplifier is a compact, networked audio powerhouse designed to simplify how you manage sound across multiple spaces. Engineered to mount on or adjacent to speakers, this dual‑amp module combines two built‑in amplifiers with a robust web server, delivering centralized, browser‑based control from any web‑enabled device. Whether you’re outfitting a conference room, classroom, retail environment, or hospitality space, the SL251 puts powerful, scalable audio management at your fingertips with a streamlined setup that fits discreetly into your existing AV workflow. By consolidating amplification, routing, and zone control into a single IP‑driven unit, it reduces hardware clutter while offering flexible management in real time.

• Web‑based, device‑agnostic control
  The SL251 is designed for the way modern spaces operate—controlled from laptops, tablets, or smartphones without specialized software. Its built‑in web server provides a responsive interface that lets administrators view and adjust levels, routing, and zone assignments from any browser on the network. This means IT staff, AV technicians, and facility managers can perform configuration, diagnostics, and routine maintenance remotely, eliminating the need for dedicated control panels or proprietary apps. The intuitive layout supports quick tasks like muting zones, adjusting volume, and reassigning inputs, all in real time.

• Two built‑in amplifiers for flexible zone amplification
  With two integrated amplification channels, the SL251 offers independent control over two zones or the ability to feed a single zone with split outputs for different listening environments. This eliminates the need for external power amps for many smaller deployments and provides a compact, cost‑effective solution for multi‑room audio. The dual‑amp configuration enables simultaneous, synchronized playback or separate, tailored audio experiences across areas such as meeting rooms and break spaces. You gain precise volume management for each channel, ensuring consistent sound levels and clear intelligibility across the venue.

• Mounts on or beside speakers for unobtrusive installation
  The SL251 is purpose‑built for quick, unobtrusive installation by mounting directly on or adjacent to speakers. This footprint minimizes cabling and visual impact while keeping the amplifier’s output stage near the speakers for optimal signal integrity and reduced noise. Its flexible mounting options support a variety of conference room layouts, hospitality configurations, and educational environments where a clean, low‑profile setup is essential. By placing amplification close to the listening area, you can achieve better dynamic response and simplified cable management.

• Networked control with centralized management
  Centralization is at the heart of the SL251’s value proposition. Through its IP control, administrators can manage multiple zones from a single interface, enabling consistent configuration and policy enforcement across rooms or buildings. Scheduling, status monitoring, and zone assignments can be choreographed to align with daily routines, events, or occupancy patterns. This networked approach also supports future scalability—add more zones or extend coverage without overhauling your control system. The result is a scalable, future‑proof solution that grows with your organization’s audio needs.

• Robust, browser‑based management with reliable performance
  The SL251’s built‑in web server delivers reliable, real‑time control over playback, input routing, and level management. Expect low latency and smooth transitions when adjusting volume, switching sources, or muting zones. The browser interface is designed to be intuitive for technicians while still offering advanced options for power users. In addition to day‑to‑day control, you can perform remote diagnostics, view current signal statuses, and verify channel health to minimize downtime and keep your audio environment sounding its best.

Technical Details of ClearOne SL251 IP Zone Controller/Amplifier

• Technical details and specifications are not provided in the current description. For complete data, consult the official product datasheet and vendor specifications.
• Two built‑in amplification channels with independent control for separate zones or synchronized playback.
• Ethernet connectivity for IP control and management via standard web browsers on any web‑enabled device.
• Mounting compatibility designed for on‑speaker or adjacent installation to reduce footprint and optimize signal integrity.
• Integrated web server supports remote configuration, monitoring, and routine maintenance tasks without specialized software.

How to install ClearOne SL251 IP Zone Controller/Amplifier

• Plan your installation by identifying the two zones you want to amplify and determine the best mounting locations near each speaker pair. Ensure there is a stable network connection in the vicinity to support IP control and management.
• Mount the SL251 close to the corresponding speakers. Secure the unit to a mount, bracket, or compatible surface so cables run cleanly and are protected from accidental disconnection or damage.
• Connect each speaker output from the SL251 to the respective speaker lines. Use appropriate cabling and impedance matching guidelines to preserve audio quality and prevent distortion across zones.
• Wire the Ethernet port to your network, using a standard RJ‑45 cable. Ensure the network port is accessible from the devices you plan to use for control and monitoring, and verify network authentication if applicable.
• Power on the unit and access the built‑in web interface from a web‑enabled device. Use the browser to navigate to the SL251’s IP address, log in if required, and begin configuration—define the two zones, set default volumes, route inputs, and customize any preferred parameters such as EQ presets or mute groups.
• Test playback in each zone, fine‑tune levels, and verify that cross‑talk, latency, and synchronization meet your requirements. Save configurations and consider creating profiles for different scenarios (e.g., presentation mode, background music, or events) to streamline switching between setups.

Frequently asked questions

• Q: What is the ClearOne SL251 IP Zone Controller/Amplifier?
  A: It is a networked, two‑channel amplifier with an integrated web server that enables browser‑based control and management of audio zones. It is designed to mount near speakers and provide centralized, scalable amplification and routing for multi‑zone environments.
• Q: How do I control the SL251?
  A: Control is performed through a built‑in web interface accessible from any web‑enabled device on the network. From a standard browser, you can adjust volumes, route inputs, assign zones, configure mute groups, and monitor status in real time.
• Q: How many zones can I manage with the SL251?
  A: The SL251 provides two built‑in amplification channels and is intended for multi‑zone deployments. For larger installations, it can be integrated into a broader SL‑series or ClearOne AV system to scale control across more zones.
• Q: Can I integrate the SL251 with other ClearOne products?
  A: Yes. The SL251 is designed to work within ClearOne’s ecosystem, allowing for coordinated control with compatible mixers, processors, and networked devices to achieve unified audio management across rooms and buildings.
• Q: What installation considerations should I keep in mind?
  A: Plan for proximity to speakers, reliable network access for IP control, and straightforward cabling for outputs and inputs. Mounting near the listening areas helps minimize cable length and maintain signal integrity, while a stable network path ensures responsive, reliable control from any connected device.