IMP100DLWH Impedance matching slider volume control panel supports 1 to 8 speaker pairs and features switchable impedance matching 2x, 4x, or 8x positions, and stereo non-impedance matching 1x position.
High-quality auto-former design
Supports 1 to 8 speaker pairs
Switchable impedance matching 2x, 4x, or 8x positions, and stereo non-impedance matching 1x position
Soft touch 12-step slide attenuation
Removable terminal blocks accept up to 14-gauge wire
Fits all single-gang backless P-rings or 19 cubic inch minimum electrical work box