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Black rectangular 9V power supply with long cable and barrel connector

Monoprice Inc.

Monoprice Inc. 611690 9V Power Supply for Guitar Pedals

SKU CH-8GFY-68A92 MPN 611690

A 9 VDC, 500 mA AC adapter with a 9.8 ft cable and tip-negative polarity powers guitar effects pedals from 100–240 VAC mains

  • Product typeEffects Pedals - Multi-Effects
  • Product weight0.21
  • Powers pedals worldwide with 100-240 VAC input
  • Long 9.8 ft cable keeps power strips off the board
  • Delivers 500 mA at 9 VDC for reliable operation
  • Tip-negative polarity matches most pedal requirements
  • Weighs only 0.21 kg for easy transport

What this pedal power supply delivers

The Monoprice 611690 provides a regulated 9 VDC output at 500 mA from a 100 to 240 VAC input, making it compatible with Monoprice effects pedals and many other brands. A 9.8 foot cable lets you keep the wall outlet away from the board, and the tip-negative polarity matches the most common pedal standard.

Who benefits and who needs a different solution

Guitarists running a small chain of standard 9 V pedals will find the single-output design simple and reliable. Players who need isolated outputs for noise-sensitive digital pedals, higher current for power-hungry units, or multiple voltage options should look at a multi-output power supply instead.

How it fits on a board

The lightweight 0.21 kg adapter plugs directly into mains power without a separate transformer brick, freeing pedalboard real estate for effects. Its long lead reaches distant outlets, so you can position the supply wherever the cable runs cleanest.

How it compares

Measured against everything we stock in Guitar Effects Pedals & Stompboxes, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 98% of the 151 comparable items (median $76.99).

Specifications

Product
Brand nameMonoprice
Model name611690
Part number611690
Product typeEffects Pedals - Multi-Effects

Questions about this item

What input voltage range does the 611690 power supply accept for worldwide use?

The 611690 accepts 100~240 VAC at 50/60 Hz, so it works on mains power in most countries without a separate voltage converter.

Will the 9.8 foot cable reach my pedal board from a distant wall outlet?

Yes, the 9.8 foot (3 meter) cable length lets you place the power supply away from your pedal board, avoiding a power strip next to your effects.

How can I confirm the 611690 is delivering the correct 9 VDC output to my pedals?

Check that your pedals power on and operate normally; the supply provides a regulated 9 VDC at 500mA with a tip-negative barrel connector.

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