One less Z -- a TON more savings! Find gently used, blemished, and resealed gear at blowout prices. Hurry -- quantities are limited!
One less Z -- a TON more savings! Find gently used, blemished, and resealed gear at blowout prices. Hurry -- quantities are limited!
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June 3, 2026
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AmpRX BrownBox Tube Amp Voltage Attenuator
Protect your amp, tubes, and tone from varying voltage! AmpRX's BrownBox helps you find and maintain ideal voltage for optimal tone and safety.
$359.95
- No Credit Check6 payments of$59.99/mo
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Great tone starts with your amp's voltage. AmpRX's attenuators provide clear and accurate voltage readings, allowing for consistent tone dialing each and every time. Call our Gear Experts now for help with your purchase: 800-460-8089.