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19 Hours
14
5
$875.00
Note: KSL, its service providers, and the seller receive data from this message. See our Privacy Notice and TOU for details.
VenmoThe Universal Audio OX Amp Top Box is a premium reactive load box and guitar recording system for tube amps. It lets you play and record your amp in its tonal sweet spot at any volume level, with mic, room, and speaker cabinet emulations at the turn of a knob. Features include five attenuation levels from completely silent to full band volume, UA Dynamic Speaker Modeling that emulates speaker breakup and cone cry, selectable 4/8/16-ohm operation, balanced TRS line outs and S/PDIF digital outs for stereo recording, a front-panel headphone out for silent practice, and world-class onboard EQ, compression, delay, and reverb effects. Pairs with the OX app over Wi-Fi for editing and saving RIG presets on iPad, Mac, or Windows. Handles up to 150W RMS. Great condition — just don’t need it.
KSL Classifieds makes it easy to buy and sell with peace of mind. Check our safety tips and quickly report anything that doesn’t look right to keep your experience smooth and secure.












19 Hours
14
5
$875.00
Note: KSL, its service providers, and the seller receive data from this message. See our Privacy Notice and TOU for details.
KSL Classifieds makes it easy to buy and sell with peace of mind. Check our safety tips and quickly report anything that doesn’t look right to keep your experience smooth and secure.












VenmoThe Universal Audio OX Amp Top Box is a premium reactive load box and guitar recording system for tube amps. It lets you play and record your amp in its tonal sweet spot at any volume level, with mic, room, and speaker cabinet emulations at the turn of a knob. Features include five attenuation levels from completely silent to full band volume, UA Dynamic Speaker Modeling that emulates speaker breakup and cone cry, selectable 4/8/16-ohm operation, balanced TRS line outs and S/PDIF digital outs for stereo recording, a front-panel headphone out for silent practice, and world-class onboard EQ, compression, delay, and reverb effects. Pairs with the OX app over Wi-Fi for editing and saving RIG presets on iPad, Mac, or Windows. Handles up to 150W RMS. Great condition — just don’t need it.











