Product highlightsconnect multiple pairs of speakers to your receiver or amplifier (requires 1 volume control per speaker pair) use up to 16 volume controls together (each connected to a pair of 8-ohm speakers) installs in your wall with a standard single-gang electrical box (not included) power handling: 100 watts RMS per channel selectable impedance settings at 2X, 4X, and 8X the speakers' nominal impedance terminal connectors accommodate up to 14-gauge wire includes white, ivory, and bone colored wall plates 1-5/8"W x 4-1/8"H x 3"D (depth in wall 2-3/4") warranty: 1 year What's in the boxIn-Wall volume control 2 Speaker wire terminal blocks (installed) White slider switch (installed) White decorative insert (installed) White decorative wall-plate Ivory slider switch Ivory decorative wall-plate Ivory decorative insert Bone slider switch Bone decorative insert Bone decorative wall-plate 2 White screws 2 Ivory screws 2 Bone screws 2 Eletrical box screws About this itemWritten by Crutchfield's Kramer CraneVolume control at the touch of a finger The VS100 includes white-, ivory-, and bone-colored wall plates to match your decor. Ethereal's VS100 offers sliding volume adjustment for your connected in-wall or in-ceiling speakers. With selectable impedance magnification — up to 8X the speakers' ohm rating — you can use a single amplifier to drive multiple pairs of speakers without worrying about dropping below your amp's minimum requirements. The VS100 gives you reliable performance at a reasonable price for any of your indoor rooms. With three different color wall plates included, you can easily match it to your decor. Wire multiple speakers to the same amplifier channel Wiring the VS100 is pretty straightforward. Connect your amplifier's left and right speaker outputs to the inputs on the back of the volume control. Then run separate wires from the VS100's outputs to a pair of recessed speakers. Be sure to use in-wall rated speaker wire during your installation. If you are wiring several volume controls to the same amplifier channels, consider using use Russound's EZB-8 connecting block to make plugging in multiple sets of wires more manageable.