Buy on Amazon.com : http://www.amazon.com/gp/product/B00C1SGZ58?tag=lottalatte-20 <br /> <br />Philmore Stereo L-Pad Attenuator for Speaker Volume Control 100W RMS 8 Ohms 3/8 Shaft LP200 <br /> <br />Control speaker volume in home Hi-Fi or commercial sound installations <br />Maintain constant loading on amplifier at all volume settings <br />Recommended for use in tweeter and midrange crossover networks to match individual output levels while maintaining a constant 8 ohm impedance <br />Mounts in 38 diameter hole
