---
product_id: 206295754
title: "Zuma R300 Expandable Guitar Effects Pedal Power Supply for 9V, 12V, and 18V Guitar Pedals and Pedalboards, Ultra Low Profile Design"
brand: "strymon"
price: "€ 271.83"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/206295754-zuma-r300-expandable-guitar-effects-pedal-power-supply-for-9v
store_origin: IE
region: Ireland
---

# 500mA clean power per output Ultra-low profile fits under pedalboards Dual isolation for silent operation Zuma R300 Expandable Guitar Effects Pedal Power Supply for 9V, 12V, and 18V Guitar Pedals and Pedalboards, Ultra Low Profile Design

**Brand:** strymon
**Price:** € 271.83
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your tone, silence the noise, own the stage.

## Quick Answers

- **What is this?** Zuma R300 Expandable Guitar Effects Pedal Power Supply for 9V, 12V, and 18V Guitar Pedals and Pedalboards, Ultra Low Profile Design by strymon
- **How much does it cost?** € 271.83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/206295754-zuma-r300-expandable-guitar-effects-pedal-power-supply-for-9v)

## Best For

- strymon enthusiasts

## Why This Product

- Trusted strymon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Expandable Power System:** Easily add more outputs by connecting with Strymon Ojai or Ojai R30 for ultimate rig flexibility.
- • **Maximum Pedal Performance:** Advanced multi-stage filtering and optical isolation unlock your pedals’ full dynamic range.
- • **Noise-Free Tone Guarantee:** Dual analog isolation eliminates hum and ground loops, preserving your purest sound.
- • **Rock-Solid Power Delivery:** 500mA per output ensures your pedals perform at peak precision without dropouts.
- • **Sleek, Space-Saving Design:** Ultra-low profile aluminum chassis mounts effortlessly under any pedalboard for a clutter-free rig.

## Overview

The Strymon Zuma R300 is a high-performance, ultra-low profile power supply delivering 500mA of clean, isolated power per output to 9V, 12V, and 18V guitar pedals. Its dual isolation circuitry eliminates noise, while its expandable design and rugged aluminum build make it the ultimate choice for professional pedalboard setups.

## Description

StrymonZuma R300 Expandable Guitar Effects Pedal Power Supply for 9V, 12V, and 18V Guitar Pedals and Pedalboards, Ultra Low Profile Design

## Features

- HIGH HORSEPOWER – The Zuma R300 guitar effects pedal power supply boasts high horsepower, silent and dependable operation and cutting edge technology. This low-profile unit delivers 500mA per output of clean, rock-steady power to your 9V, 12V, and 18V effects pedals, all within a pedalboard-friendly, expandable design.
- DUAL ISOLATION – This pedalboard power supply features all-analog circuitry that provides two levels of isolation, effectively eliminating ground loop and AC line noise problems. This ensures that your pedals sound as they were originally designed to sound.
- ULTRA-LOW PROFILE DESIGN – The Zuma R300's remarkable low-profile design allows it to seamlessly fit beneath virtually any pedalboard. Its built-in threaded hardware ensures straightforward mounting to your board.
- ENDLESS OUTPUT POSSIBILITIES – For those that need to expand their rig, the Zuma R300 seamlessly integrates into an expandable system. Simply connect a Strymon Ojai or Ojai R30 using the 24V Out jack for an additional five high-current outputs.
- ENHANCED PEDAL POWER AND VERSATILITY – Two-stage design, pre-regulated outputs, optically isolated feedback, and advanced multistage filtering combine to create a power supply that enables your pedals to attain their maximum dynamic range.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Aluminum |
| Color | Blue |
| Item Dimensions | 7.24 x 3.46 x 1.18 inches |
| Item Weight | 0.4 Kilograms |
| Maximum Power | 36 Watts |
| Output Current | 500 Amps |
| Output Wattage | 36 Watts |
| Amperage | 500 Microamps |
| Form Factor | TFX |
| Connector Type Used on Cable | Barrel Connector |
| Input Voltage | 240 Volts |

## Product Details

- **Brand:** Strymon
- **Color:** Blue
- **Material:** Aluminum
- **Item Weight:** 0.4 Kilograms
- **Connector Type:** Barrel Connector

## Images

![Zuma R300 Expandable Guitar Effects Pedal Power Supply for 9V, 12V, and 18V Guitar Pedals and Pedalboards, Ultra Low Profile Design - Image 1](https://m.media-amazon.com/images/I/713-OD2KOTL.jpg)

## Frequently Bought Together

- Strymon Zuma R300 Expandable Guitar Effects Pedal Power Supply for 9V, 12V, and 18V Guitar Pedals and Pedalboards, Ultra Low Profile Design
- TC Electronic POLYTUNE 3 NOIR Tiny Polyphonic Tuner with Multiple Tuning Modes and Built-In BONAFIDE BUFFER

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ie/products/206295754-zuma-r300-expandable-guitar-effects-pedal-power-supply-for-9v](https://www.desertcart.ie/products/206295754-zuma-r300-expandable-guitar-effects-pedal-power-supply-for-9v)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-04*