# OSD Audio ISS4 4 Zone Speaker Selector Switch with Impedance Protection

The OSD Audio ISS4 Speaker Selector allows you to connect up to four pairs of speakers to a single amplifier while maintaining safe operation and reliable performance.

Designed for multi-room audio setups, it provides a simple and effective way to distribute music throughout different areas of your home or commercial space.

Ideal for installations where multiple speaker pairs are required, the ISS4 features built-in impedance protection to prevent amplifier overload.

With straightforward push-button controls and durable construction, it makes managing multi-room audio easy while ensuring your amplifier remains protected.

**FEATURES**

-   **Four Speaker Zones From One Amplifier:** Connect up to four pairs of speakers to a single amplifier, making it easy to distribute audio to multiple rooms or areas without needing additional amplification equipment.
    
-   **Built-In Impedance Protection:** Protects your amplifier from overload when multiple speakers are connected, maintaining safe operating conditions and reliable performance.
    
-   **Simple Push-Button Zone Controls:** Clearly labelled push buttons allow you to quickly turn individual speaker zones on or off, giving you flexible control over where music is playing.
    
-   **High Power Handling:** Supports up to 140W total power, allowing it to work with a wide range of hi-fi amplifiers used in home audio systems.
    
-   **Durable Installation-Friendly Design:** Designed for long-term reliability, the solid construction and compact design make it suitable for rack shelves, cabinets, or AV installations.
    
-   **Accepts Large Gauge Speaker Cable:** Compatible with speaker cable up to 14AWG, ensuring secure connections and optimal signal transfer.
    

The OSD Audio ISS4 is a practical solution for expanding a single amplifier into a multi-room audio system while keeping your equipment protected.

###### What You Get

-   1 x Speaker Selector Switch

###### Specifications

-   **Speaker Selector Type:** 4 Zone Single Source Speaker Selector
-   **\# of Zones or Speaker Pairs:** 4
-   **Power Handling:** 140W per channel
-   **Input Source:** Single amplifier or receiver
-   **Speaker Impedance:** 8 Ohms
-   **Impedance Protection:** Yes
-   **Input/ Output Connector Type:** Spring-loaded guillotine-style push terminals
-   **Removable Input/ Output Connectors:** Allow easy cable termination
-   **Wiring Requirement:** Up to 14 gauge wire
-   **Switches:** Includes on/ off switches for each zone
-   **Dimensions (L x H x D):** 21.6 x 4.4 x 114mm
-   **Weight:** 1.36 kg
-   **Warranty:** 2 years

## Details

- **Price:** 74.99 GBP
- **Vendor:** OSD Audio
- **Type:** Accessories
- **Tags:** Prime

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 74.99 GBP | In stock |

## Images

- OSD Audio ISS4 4 Zone Speaker Selector Switch with Impedance Protection - K&B Audio
- OSD Audio ISS4 4 Zone Speaker Selector Switch with Impedance Protection - K&B Audio
- OSD Audio ISS4 4 Zone Speaker Selector Switch with Impedance Protection - K&B Audio
- OSD Audio ISS4 4 Zone Speaker Selector Switch with Impedance Protection - K&B Audio
- OSD Audio ISS4 4 Zone Speaker Selector Switch with Impedance Protection - K&B Audio

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> Source: [K&B Audio](www.kbaudio.co.uk/products/osd-audio-iss4-4-way-speaker-selector-switch-with-impedance-protection)
> Updated: 2026-06-19