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April 4, 2026
4 products
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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.
$379.00
- 8 payments of$47.38/mo
- No Credit Check6 payments of$63.17/mo
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AmpRX Brownie Voltage Controller for Tube Amplifiers
Regulate the voltage sent to your amp with the AmpRX Brownie! This handy device allows you to set and maintain an ideal voltage level for peak performance.
$299.00
- 8 payments of$37.38/mo
- No Credit Check6 payments of$49.83/mo
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AmpRX BrownBox Backline 2400 Voltage Attenuator
Need to regulate voltage for your entire amp collection? AmpRX's BrownBox Backline 2400 can send two voltage output levels to up to eight amps!
$1,199.00
- 12 payments of$99.92/mo
- No Credit Check6 payments of$199.83/mo
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AmpRX BrownBox Backline 1200 Voltage Attentuator
With enough juice to provide up to three tube amps with customized voltage, the AmpRX BrownBox Backline 1200 is a must-have for large touring rigs.
$599.00
- 12 payments of$49.92/mo
- No Credit Check6 payments of$99.83/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.