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Russound SDB-4.1 High-power 4-pair speaker selector with volume control

Item # 543SDB4VC

California customers:
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5 questions - 12 answers

Item # 543SDB4VC

In stock
$399.00

About the Russound SDB-4.1

Tara W.

Here's a convenient way to distribute signals to four pairs of speakers from one location. The Russound SDB-4.1 lets you independently select and adjust the volume for each set of speakers — a necessity for most multi-room systems. This versatile design also allows you to switch between two source amplifiers or receivers. The impedance can be customized to match your specific combination of speakers and sources.

Product highlights:

  • play up to 4 pairs of speakers simultaneously
  • allows switching between two source amplifiers or receivers
  • autoformers ensure efficient impedance matching
  • each zone features independent volume, power, and source controls
  • power handling: 200 watts per channel RMS
  • removable screw-down terminals accept up to 12-gauge speaker wire
  • includes room/speaker labels
  • 17"W x 3-5/16"H x 7-1/2"D
  • warranty: 10 years
  • MFR # 3615-604027

What's in the box:

  • SDB-4.1 speaker selector for four pairs of speakers
  • Sheet of self-adhesive room labels
  • Installation Manual

Customer reviews for Russound SDB-4.1

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4.5 out of 5 stars
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More details on the Russound SDB-4.1

Research Team

Product Research

Features
Specifications

Features

Overview: The Russound SDB Dual Source Speaker Selector is a high-power, dual-source, autoformer-based speaker selector with individual volume controls for 4 rooms or areas. Dual-source operation allows you to choose either one or two different amplifiers or receivers to power selected speakers independently. Each room has its own input selector (A-B), volume control, and on/off switch, located on the front of the unit. The unit works with all speakers rated from 4-8 ohms and amplifiers rated for 4-8 ohms.

Controls: The SDB-4.1 has the following front panel controls:

  • Volume Control: four rotary volume controls, each with a 12-step adjustment.
  • On/Off Switch: four 2-position push button switches (Out=Off, In=On)
  • Amplifier Selector: four 2-position push button switches (Out=Amp A, In=Amp B)

Removable Speaker Terminals: There are four removable 4-pole speaker output terminal blocks and two removable 4-pole speaker input terminal blocks, each of which can accept up to 12-gauge wire. The terminals can support multiple speaker pairs wired in parallel or series, provided their combined impedance is a minimum of 4 ohms. A small slotted screwdriver is required for attaching the terminals to your speaker wires.

Impedance Setting: The impedance of the autoformers is set at the factory at 4x. A chart in the Installation Manual can help you determine the proper impedance setting for the number and impedance of your speakers. If certain applications require changing the impedance setting, the cover can be removed to access the jumpers inside.

Labels: There are 52 pre-printed and 8 blank label stickers included for easy identification of the front panel controls.

Specifications

Specifications:

  • Power Handling:
    • 200 watts per channel RMS continuous
    • 400 watts per channel average
    • 600 watts per channel peak
  • Volume Control: 42 dB attenuation, 12 positions
  • Impedance Matching: Russound Ultra-Match Autoformers
  • Weight: 9 pounds

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Customer Q&A

5 questions already asked

Q
Could both amp inputs,A and B,be listened to at the same time?
mark  May 28, 2022
1 answer
A
You can input two amplifiers simultaneously, then select which amplifier plays in each zone by the A/B switches.
hogan  Jun 02, 2022 (Staff)
Q
So the impedance will self calibrate to match my specific combination of speakers and sources?
james  Oct 30, 2019
1 answer
A
Hi James, thank you for your question. While the Russound SDB-4.1 does offer impedance matching, you do need to manually set the impedance based on the amount of speakers you will be using, and their impedance. There is a chart within the manual of this selector that will help you out with setting that. Feel free to chat with an Advisor online or by phone at 1-800-324-9695, if you have other questions. They will be happy to help you out!
jessica  Nov 11, 2019 (Staff)
Q
Will it work with a 100 Watt per channel receiver?
james  Oct 30, 2019
5 answers
A
James, it should work. I use mine to control 2 pairs of Klipsich outdoor speakers and 2 pairs of wall speakers with no problem. The amp is an older NAD 2700 pushing out 150 watts per channel.
allen k  Oct 30, 2019
A
Yes. Works great with my 120 wall per channel Harmon Kardon HK3770.
daniel  Oct 30, 2019
A
Specs say it can handle up to 200 watts per channel
michael b  Oct 30, 2019
A
I use mine with a Sonos Connect:Amp which has 55 Watts per channel. It seems to work fine. I don't have to turn up the volume past about 1/3 power to have good sound in my rooms. I have 4 pairs of wall mounted speakers connected to the unit.
lewis  Oct 30, 2019
A
I have no reason to think that this product will not work with a 100 wpc receiver. It is a well built product, performs very well.
randall  Oct 30, 2019
Q
I assume this is able to be set for 8 ohm speakers? I ask because the specs don't list impedance as far as I can find. Thanks.
danickstr  Jan 09, 2018
4 answers
A
Yes I have 8 ohms and I use it in a 8 ohm configuration
todd m  Jan 13, 2018
A
This unit can be set for multiple ohm settings. It comes from the factory pre set for most applications. My problem was I was using a set of 8 ohms and a set of 4 ohm speakers which it will do but I found with my particular situation I had to use a substantial higher volume settings then running the individual speakers direct from my amp which is a McIntosh MA6600. Hope this helps. Bruce Pageland, SC
bruce h.  Jan 12, 2018
A
Yes, works fine with 8 ohm speakers!
charles  Jan 12, 2018
A
Sorry, but I have no idea.
steven  Jan 12, 2018
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High-power 6-pair speaker selector with volume control
$499.00
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Controls six pairs of speakers

The Russound SDB-6.1 offers these features:
  • 11-step impedance matching volume control for six pairs of speakers
  • switch between two powered sources, like an amplifier and receiver
  • handles 150 watts per channel
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