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Russound® 12 Pair Impedance Matching Speaker Selector
Russound® 12 Pair Impedance Matching Speaker Selector 0
Russound® 12 Pair Impedance Matching Speaker Selector 1

Russound® 12 Pair Impedance Matching Speaker Selector

Model #: PRO-12 HP
At a Glance
The PRO-12HP is a robust, efficient dual-source speaker selector for up to 12 pairs of speakers. Designed for demanding applications, this high-quality speaker selector features a low-frequency protection circuit to reduce subsonic signals. This allows higher power operation without amplifier shutdown.
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Get to know this product.

An A/B switch on the front panel allows you to power all your speakers with either of two source amplifiers. The PRO-12HP is designed for use with either 4- or 8-ohm speakers.

The PRO-12HP uses audiophile-grade autoformers for impedance matching to maintain a safe operating load at the amplifier while distributing maximum power throughout your system. A rotary switch on the rear panel sets the appropriate impedance for your amplifier, based on the number of speaker pairs connected.

  • Lets you control speakers in several rooms from a central location
  • Printed room labels included
  • Detachable snap connectors are color coded for easy wire termination
  • Selectable impedance matching accommodates 4- or 8-ohm speakers
  • Low-frequency protection circuit helps to guard your amplifier
  • Audiophile-quality autoformers provide high performance for years
Useful Documents


Shipping Dimensions20.3" (W) x 6.2" (H) x 12.2" (D), (51.4 x 15.6 x 30.9 cm)
Shipping Weight9.9 lbs (4.5 kg)
Connector(S)Detachable 4-pole color-coded snap connectors
Impedance Matching TypeAutoformer
Low Frequency ProtectionAutoformer
Max Wire Size14 AWG (1.9 mm)
Min Trigger Level15 mV
Power Handling100 watts RMS continuous per channel, 300 watts peak per channel
Speaker Impedance4 ohms

Misc. Specs

Connector TypeDetachable 4-Pole Color-Coded Snap
Connection TypeDetachable 4-Pole Color-Coded Snap
WarningProposition 65 Warning for California Residents