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Russound LPTX-2

Stereo volume control with impedance magnification

Item # 543LPTX2

The Russound LPTX-2 makes controlling the volume of your in-wall or in-ceiling speakers a simple task.

The Russound LPTX-2 makes controlling the volume of your in-wall or in-ceiling speakers a simple task.

Discontinued item

Item # 543LPTX2

About the Russound LPTX-2

The Russound LPTX-2 makes controlling the volume of your in-wall or in-ceiling speakers a simple task. Instead of running up the stairs or down the hall to your receiver or amplifier, just reach for the knob on this handy control, which you can install right in the same room as your speakers.

The Russound LPTX-2 makes controlling the volume of your in-wall or in-ceiling speakers a simple task. Instead of running up the stairs or down the hall to your receiver or amplifier, just reach for the knob on this handy control, which you can install right in the same room as your speakers.

System expansion options
You can use up to eight of these impedance-magnifying stereo volume controls to safely drive up to eight pairs of speakers with a typical receiver or amplifier. You won't even need any additional speaker selector or protection device. For connecting up to four volume controls neatly and conveniently to your receiver or amplifier, use Russound's EZB-1SC connecting block, or add the EZB-2SC modular expansion unit for systems with up to eight pairs of speakers.

Custom-tailored advice — before and after you buy
Installing this volume control usually requires you to run speaker cable in your walls, unless your home is already pre-wired. Our Audio/Video Designers can help you map out the details. Plus, our tech support specialists can help you through your installation step-by-step.

Product highlights:

  • impedance-magnifying design
  • power handling: 25 watts per channel
  • adjustable impedance magnification (1x, 2x, 4x, and 8x)
    • 4 ohm-stable amp: up to 16 pairs of 8 ohm speakers or 8 pairs of 4 ohm speakers
    • 8 ohm-stable amp: up to 8 pairs of 8 ohm speakers or 4 pairs of 4 ohm speakers
  • 11-step control, 48dB maximum attenuation
  • accommodates up to 14-gauge wire
  • installs in wall with a standard single-gang electrical box (not included)
  • mounting depth: 2-1/2"
  • 1-3/16"W x 4-1/16"H x 3-1/4"D
  • warranty: 10 years
  • Our 60-day money-back guarantee
  • MFR # 6200-114991

What's in the box:

  • LPTx-2 white in-wall volume control
  • White wall plate
  • White volume knob (installed)
  • Speaker screw terminals
  • 2 Volume control installation screws (M3 x 20mm)
  • 2 White painted wall plate screws (M3 x 10mm)
  • Instruction Manual

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More details on the Russound LPTX-2

Stacey B.

Product Research

Features

Overview: The Russound LPTx-2 is an in-wall volume control that fits into a standard single-gang junction box. It comes with a white wall plate and volume knob.

Ultra-Match Technology: The LPTx-2's Ultra-Match technology allows you to easily match the load of multiple speakers to the amplifier impedance without the need for a speaker selector or other impedance-matching equipment. It provides impedance matching for up to 16 pairs of speakers per system.

Performance: This in-wall volume control is designed to handle up to 25 watts RMS and 75-watts peak power. The built-in precision autoformers produce high-fidelity sound with excellent frequency response (20Hz - 20kHz, +1.0/-0.5 dB at rated power). It provides maximum power transfer from the amplifier to the speakers without heat buildup.

Volume Knob: The LPTx-2 has a simple clean design with a simple knob and standard wall plate. The knob has 11 steps of volume, plus an off position. The volume control provides a total of 48 dB attenuation.

Connections: The volume control has a single 8-pole screw terminal block, with 4 terminals for the input and 4 for the output. The terminals allow you to connect up to 14-gauge speaker wire. The terminal block can be unplugged from the volume control for easier wiring.

Speaker Wire Recommendations: For most applications, stranded 16-gauge speaker wire is recommended. For runs of over 100 feet, 14-gauge is recommended.

Jumper Settings: Each LPTx-2 has two sets of five jumper pins (five for the left channel, and five for the right) on the back of the volume control. The jumpers can be set to 1x, 2x, 4x, or 8x, depending upon the number of speaker pairs being connected in the system. The jumper sleeves should be configured the same for all speaker pairs in the system before connecting the speakers.

Amplifier Power Ratings: The amplifier should provide a minimum of 20 watts per channel RMS for each pair of speakers connected.

Speaker Impedance: The LPTx-2 is designed for speakers with impedances of 4, 6, or 8 ohms.

EZB Connecting Blocks: When connecting multiple pairs of speakers to the system, you will need a Russound EZB-1SC (item # 543EZB1SC) connecting block. The EZB-1SC can connect up to four volume controls to the amplifier's output. An EZB-2SC (543EZB2SC) is needed to expand the EZB1SC to another four volume controls.

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