Sonance VP48 Rectangular In-Wall Speakers - Pair Features Small footprint does not take away from the aesthetics of install location. Pivoting tweeter allows speakers to be placed where they look the best while still sounding the best. Tweeter level switch on the VP48 allows high frequencies to be adjusted to suit the install environment. Three performance levels to accommodate any ear or budget. Specifications Tweeter 1" (25mm) ceramic dome, ferrofluid-cooled, pivoting, in acoustic back chamber Woofer 4 1/2" (114mm) carbon fiber/Rohacell¨ laminated cone with a rubber surround Frequency Response 50Hz - 20kHz ±3dB Impedance 6 ohms nominal; 4 ohms minimum Power Handling 5 watts minimum; 100 watts maximum Sensitivity 90dB SPL (2.83V/1 meter) Adjustments Tweeter Level Switch -3dB Flat +3dB Speaker Depth 3" (76mm) Dimensions (W x H) 5 9/16" (142mm) x 8 7/8" (225mm) Cut-Out Dimensions 4 5/8" (117mm) x 8" (203mm) Grille Material Perforated Steel Shipping Weight 6 lbs (2.8kg) pair Single Speaker These Speakers are by defult, a pair however may be purchased as a single speaker if required by changing the unit of measure drop down box.