StarTech.com Replacement 5V DC Power Adapter - 5 Volts, 4 Amps 1 x USB 2.0 Cable Assuming 4 ohms is the

Assuming 4 ohms is the lowest impedance of your speakers

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StarTech.com Replacement 5V DC Power Adapter - 5 Volts, 4 Amps 1 x USB 2.0 Cable Assuming 4 ohms is theReplace your lost or failed power adapter. This 5V power supply can provide a power source for any electronic device that has an C type barrel and requires 5 volts and up to 4 amps of power. Replace your failed or lost power adapter The adapter is a perfect replacement for the lost or damaged power adapter you've used to power your existing electronics. Keep a spare power adapter on hand When downtime isn't an option, keeping spare power adapters on