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Niles® SPS-4

4-pair speaker selector

Item # 190SPS4

Add up to 4 pairs of speakers to your system with this handy tabletop speaker selector from Niles Audio.

Add up to 4 pairs of speakers to your system with this handy tabletop speaker selector from Niles Audio.

Item # 190SPS4

This item is no longer available.

About the Niles® SPS-4

Add up to 4 pairs of speakers to your system with this handy tabletop speaker selector from Niles Audio. Protection circuitry is built in, so there's a safe operating load for any amplifier or receiver rated up to 100 watts per channel.

Add up to 4 pairs of speakers to your system with this handy tabletop speaker selector from Niles Audio. Protection circuitry is built in, so there's a safe operating load for any amplifier or receiver rated up to 100 watts per channel.

Details:
  • accepts speaker wires up to 14 gauge or pin connectors
  • 8-1/2"W x 2"H x 7"D
  • warranty: 10 years

What's in the box:

  • Speaker selector
  • Self-adhesive room labels
  • Manual
  • Warranty card

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More details on the Niles® SPS-4

Stacey B.

Product Research

Controls/Connections   

  • Spring clip connectors in rear accept up to 14 gauge speaker wire
  • Push button selector switches for 4 speaker pairs
  • Impedance switch on the front panel helps protect amplifier

Specifications

  • Construction: black metal chassis with padded feet
  • 100 watts per channel continuous power handling
  • Flat frequency response from 20-20k
  • Use 4-8 ohm speakers 

Tech Notes:The SPS4 connects all speakers in parallel and the button on the front of the unit adds 2.5 ohms of resistance to the total load. Ohms law can then be applied to determine the operating load of a given combination. For example: when 4 pairs of 8 ohm speakers are used with this selector's built-in impedance correction circuit, the amp will see a 4.5 ohm load. If you use 4 pairs of 4 ohm speakers, the total load drops just below 4 ohms. In this case be sure your amplifier can handle a 4 ohm load.

Note: The manual for this model indicates that it should not be used with connections from A and B speaker outputs simultaneously, however if the amplifier/pre-amp or receiver is connected in series the connection is ok, volume expectations should be kept low. (The amp may be driven to clipping for lack of power when 3 or 4 pairs of speakers are connected.) [per Niles 3/10/93]

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