K&M 13803 Seat Cushion - Velvet (Hazlenut) bbupdate The Frequency control allows you

The Frequency control allows you to select the center frequency for the Midrange control

• 4-button control panel & LCD display on rear panel

• Total Lithium Ion Cells: 9 pieces

• Record notes in Performance mode

Instead of using separate color gels to achieve the desired results

K&M 13803 Seat Cushion - Velvet (Hazlenut) bbupdate The Frequency control allows youSeat cushion for piano benches 13700 through 13751 made out of MDF material with a soft velvet cover. The seat cushion is simply placed in the wooden frame of the piano bench. Any time you wish or according to wear and tear a replacement cushion can be ordered. Replacing the old cushion is very simple.