Russound SDB-4.1 Dual Source Speaker Selectors with Volume Control for 4-Pairs

Centralize control of multi-room audio with the Russound SDB-4.1 speaker selector — ideal for commercial, retail and security installations that require reliable source selection and per-room volume control. The SDB-4.1 supports up to four pairs of speakers and features two amplifier inputs so each zone can choose between two programs or accommodate paging and music simultaneously. Front-panel rotary volume controls and individual on/off switches make daily operation intuitive for staff and security personnel. Built with high-quality impedance-matching autoformers, the unit protects amplifiers while maximizing power delivery; internal jumpers let you configure matching for 4- or 8-ohm speakers to suit system needs. Color-coded detachable snap connectors streamline wiring during installation, shortening setup time for integrators and AV technicians. With a compact 17" x 6.5" x 3" chassis and a 10-year limited warranty, the SDB-4.1 is engineered for dependable performance in environments that demand consistent audio monitoring, paging and background music. Add the Russound SDB-4.1 to your next multi-room, security or surveillance audio project to simplify control and improve system reliability.

• Centralized multi-room control: Adjust volume for up to four speaker pairs from one convenient front-panel location to simplify installations and daily operation.
• Dual-source flexibility: Two amplifier inputs let each zone select between programs or combine background music and paging for security or retail applications.
• Amplifier protection & max output: High-quality impedance-matching autoformers maintain a safe load on your amplifiers while delivering maximum power to connected speakers.
• Easy installation and wiring: Color-coded, detachable snap connectors speed up termination and reduce commission time for integrators.
• Configurable for 4- or 8-ohm systems: Internal jumpers let you tailor impedance matching to your speakers and amplifier requirements for reliable performance.
• Long-term reliability: Backed by a 10-year limited warranty for peace of mind in commercial and security-focused deployments.