Relay G55 Wireless Guitar vs GLXD4R+ Wireless Guitar Receiver
The GLXD4R+ Wireless Guitar Receiver costs about $100 more than the Relay G55 Wireless Guitar and buys you 2 more I/O, plus USB-C and DC Barrel. It also costs you 1 more rack unit.
| Spec | Relay G55 Wireless Guitar | GLXD4R+ Wireless Guitar Receiver |
|---|---|---|
| Rack space | — | 1U half-rack |
| Weight | 1.1 lbs | 1.9 lbs |
| Power draw | 5W | 5W |
| Depth | 180 mm | 163 mm |
| I/O count | 4 | 6 |
| Price | ~$449 | ~$549 |
Highlighted where one is plainly lighter, smaller, cheaper or draws less. I/O count is left unmarked on purpose — more connectors you don't need is weight, cost and a bigger case.
Connectors only one of them has
Relay G55 Wireless Guitar
Nothing the GLXD4R+ Wireless Guitar Receiver doesn't also have.
GLXD4R+ Wireless Guitar Receiver
- USB-C
- DC Barrel
Settle it in your own rack
Specs decide less than fit does. Drop either one into your rig and see the real answer — what space is left, what the circuit draws, and whether every cable it needs actually lands somewhere.
Open the rack plannerTry 15 minutes without an account. Both units are in the catalog.

