Roland RD-300SX
Released in 2005The RD-300SX is an 88-note digital piano with a hammer-action keyboard and 128-voice polyphony.

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.


$49.95 (Part #3668)

$14.95 (Part #3914)

$19.95 (Part #4955)

$24.95 (Part #7027)

$12.95 (Part #3902)

$1.95 (Part #3553)

$9.95 (Part #7019)

$4.95 (Part #7020)

$5.95 (Part #1531)

$12.95 (Part #7017)

$12.95 (Part #7385)

$10.95 (Part #7395)

$11.95 (Part #7394)

$8.95 (Part #6062)

$29.95 (Part #7391)

$29.95 (Part #7392)

For white keys up through F2
$8.95 (Part #7384)

For white keys G2 through E4
$8.95 (Part #7382)

For white keys F4 through D6
$8.95 (Part #7383)

For white keys D7 up
$8.95 (Part #7381)

For black keys up through D#4
$8.95 (Part #7380)

For black keys F#4 up
$8.95 (Part #7379)

$1.95 (Part #8125)

$29.95 (Part #10003)

$59.95 (Part #7386)

$39.95 (Part #7387)

$39.95 (Part #7388)

$39.95 (Part #7389)

$10.95 (Part #3979)

$129.95 (Part #7393)

$54.95 (Part #7390)

For Phones
$10.95 (Part #3654)

For Outputs
$10.95 (Part #3688)

For Pedals
$10.95 (Part #3634)

For bender
$23.95 (Part #4952)

For EQ/Effects
$8.95 (Part #3904)

$5.95 (Part #3062)

$14.95 (Part #3543)

$1.95 (Part #4478)

$11.95 (Part #4478X)

$1.45 (Part #4295)

For Zone Level
$17.95 (Part #4682)

For Volume
$19.95 (Part #4531)

$6.95 (Part #4888)

For modulation
$3.95 (Part #4957)

$1.95 (Part #4956)

$9.95 (Part #K79UBL)

$16.95 (Part #K79UAB)

$11.95 (Part #K79UA)

$11.95 (Part #K79UB)

$11.95 (Part #K79UC)

$11.95 (Part #K79UD)

$11.95 (Part #K79UE)

$11.95 (Part #K79UF)

$11.95 (Part #K79UG)

$16.95 (Part #K79UC8)

For Power
$4.95 (Part #4665)

$2.95 (Part #1943)

$6.95 (Part #3487)

$29.95 (Part #7378)