Roland RD-300S
Released in 1986The RD-300S is an 88-note digital piano with fully weighted keys, and with chorus and tremolo effects.

We stock both NEW and USED parts; all used electronic parts are tested and guaranteed working.
This listing reflects our current inventory and is updated in real time. If a part is shown as Out of Stock, we typically don't know when or if we might have it again - but click on the part for more info, and then you will be able to sign up for an alert when we do have it available again. By including out of stock parts in our listings, we hope to offer customers a more complete and useful resource.
We cannot diagnose repair issues by phone or email. For technical questions, we suggest posting on our Forums, where our techs - as well as other users - can offer help.


$14.95 (Part #4415)

$6.95 (Part #1290)

$5.95 (Part #1289)

For right or left
$8.95 (Part #9318)

$16.95 (Part #1300)

$11.95 (Part #6310)

$16.95 (Part #1302)

$16.95 (Part #1301)

$69.95 (Part #9319)

$62.95 (Part #8641)

$69.95 (Part #8637)

For Tune
$16.95 (Part #1125)

$27.95 (Part #8639)

$27.95 (Part #8635)

$9.95 (Part #8634)

$2.95 (Part #3723)

$6.95 (Part #8981)

$2.95 (Part #8114)

$3.95 (Part #6624)

$7.95 (Part #7115)

$2.95 (Part #2560)

$21.95 (Part #2587)

$7.95 (Part #5084)

$11.95 (Part #5707)

$4.95 (Part #3398)

$2.95 (Part #2659)

$16.95 (Part #2661)

$29.95 (Part #10003)

$29.95 (Part #5721)

$34.95 (Part #5723)

$34.95 (Part #5722)

$0.45 (Part #5042)

$0.45 (Part #5043)

$2.95 (Part #5757)

$2.95 (Part #5758)

$1.95 (Part #5754)

For lower felts (keys rest against this)
$12.95 (Part #1129)

For lower felts (keys rest against this cushion)
$16.95 (Part #1130)

For Tune
$7.95 (Part #2188)

$9.95 (Part #5325)

$59.95 (Part #8636)

For Phones
$10.95 (Part #4178)

For Pedals
$10.95 (Part #4334)

For Outputs
$10.95 (Part #3634)

$15.95 (Part #PCJ)

$44.95 (Part #8638)

$5.95 (Part #4289)

$1.95 (Part #1175)

$1.45 (Part #4295)

For Tremolo Rate
$24.95 (Part #6383)

For Tremolo Depth
$24.95 (Part #3658)

For Internal Volume
$24.95 (Part #3811)

For Lower, Upper External Volume
$26.95 (Part #1426)

For Brilliance
$24.95 (Part #1340)

For Level
$16.95 (Part #2592)

$6.95 (Part #1135)

$12.95 (Part #K20WBL)

$19.95 (Part #K20WAB)

$14.95 (Part #K20WA)

$14.95 (Part #K20WB)

$14.95 (Part #K20WC)

$14.95 (Part #K20WD)

$14.95 (Part #K20WE)

$14.95 (Part #K20WF)

$14.95 (Part #K20WG)

$19.95 (Part #K20WC8)

$39.95 (Part #8640)

$3.95 (Part #2577)

$1.95 (Part #7502)

$2.95 (Part #2256)