The TC Electronic TONEFUEL 4 is a compact, isolated multi-output power supply designed to give every pedal on your board its own clean, regulated 9 V DC feed. With four independently isolated outputs, USB-C power input and clear status LEDs on each channel, it keeps your signal free from hum, buzz and ground-loop noise while fitting easily onto even the smallest pedalboard. Instead of daisy-chaining pedals from a single, noisy supply, the TONEFUEL 4 isolates each output to stop interference at the source. Two 100 mA outputs cater for standard analogue stompboxes, while dedicated 400 mA and 600 mA outputs look after more demanding digital or multi-function pedals. Running from a single 5 V / 3 A USB-C input, it is ideal as the main power hub for a compact board or as a satellite supply to feed a couple of power-hungry units on a larger rig. Each output has independent overcurrent and short-circuit protection, so a fault on one pedal will not take down your whole board. Four top-panel LEDs show at a glance which channels are live, making it easy to troubleshoot and manage your setup on dark stages or in the studio. With its rugged, low-profile enclosure and included cables and power adapter, TONEFUEL 4 gives you a tidy, reliable and quiet power solution that lets your pedals perform at their best. Clean, Isolated Power for Every Pedal By providing four fully isolated, regulated 9 V DC outputs, the TONEFUEL 4 keeps pedal grounds separate and minimises noise in your signal path. This helps eliminate hum, buzz and ground-loop issues that often appear with daisy-chain supplies, so your tone stays clear and consistent from gig to gig. Outputs for Both Standard and High-Current Pedals With two 100 mA outputs alongside 400 mA and 600 mA outputs, the TONEFUEL 4 comfortably powers a mix of compact analogue pedals and more demanding digital or multi-effect units. This flexibility means you can build a versatile board without worrying whether your power supply can keep up. USB-C Powered Convenience The TONEFUEL 4 runs from a single USB-C input rated at 5 V / 3 A, making it easy to integrate into modern setups. Whether you are working at home, in the studio or on stage, the standard USB-C connection simplifies power options and helps keep your rig neat and manageable. Built-In Protection and Clear Status Indication Independent overcurrent and short-circuit protection on every channel helps safeguard both the power supply and your pedals. Four dedicated status LEDs on the top panel show which outputs are active, giving you instant visual feedback if a pedal draws too much current or a connection needs attention.Key Features Four Isolated, Regulated 9 V DC Outputs – Each pedal receives its own clean, isolated 9 V feed, greatly reducing noise and interference compared to daisy-chain solutions and helping preserve your core tone. Flexible Current Ratings for Mixed Rigs – With 2 × 100 mA, 1 × 400 mA and 1 × 600 mA outputs, the TONEFUEL 4 can power everything from simple analogue drives and modulation pedals to more current-hungry digital units. USB-C 5 V / 3 A Power Input – A single USB-C input keeps cabling simple and works seamlessly with modern power infrastructure, making the unit easy to deploy on compact boards or in portable rigs. Per-Channel Protection and Status LEDs – Independent overcurrent and short-circuit protection on every output, plus individual status LEDs, make it straightforward to monitor your power distribution and quickly diagnose any issues. SpecificationsOutputs Number of Outputs: 4 isolated outputs Output Voltage: 9 V DC (regulated) Output Current: 2 × 100 mA Output Current: 1 × 400 mA Output Current: 1 × 600 mA Maximum Combined Output: 1 A Protection: Independent overcurrent and short-circuit protection per channel Indicators: Four top-panel status LEDs (one per output) Input Input Connector: USB-C Input Rating: 5 V / 3 A Included Accessories Four DC output cables 5 V / 3 A USB-C power adapter

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