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The SDB-4.1 is a highly efficient dual-source speaker selector that controls up to four pairs of speakers. The front panel provides a separate volume control for each speaker pair, allowing you to adjust the volume in each room from one convenient location.
With two amplifier inputs, the SDB-4.1 allows you to choose either program in each room. Each zone also has an on/off switch, which allows you to keep the volume control at a set level while turning the speakers on or off.
The SDB-4.1 uses high-quality impedance-matching autoformers to maintain a safe operating load at the amplifier while distributing maximum power throughout your system. Designed for use with either 4- or 8-ohm speakers, the SDB-4.1 is equipped with internal jumpers to select the degree of impedance matching based on the impedance of your speakers and your amplifier's impedance requirements.
12.0" (W) x 7.0" (H) x 20.5" (D)
(30.5 x 17.8 x 52.1 cm)
|Shipping Weight||9.0 lbs (4.1 kg)|
|Connector(s)||Detachable 4-pole color-coded snap connectors|
|Impedance Matching Type||Autoformer|
|Max Wire Size||14 AWG (1.9 mm)|
|Power Handling||200 watts RMS continuous per channel|
|Speaker Impedance||Min: 4 ohms|
|Volume Control||12 steps; total attenuation 42 dB|
|Zone Audio Controls||Volume knob, on/off, Amplifier A/B switch|