Used Presonus QUANTUM HD8 – Rackmount Audio Interface

Overview:

The Presonus Quantum HD8 is a pro-level Thunderbolt rackmount interface designed for modern studios that need ultra-low latency, clean preamps, and rock-solid routing flexibility. With eight HDIA mic preamps, high-definition conversion, flexible monitor control, and deep Studio One integration, the Quantum HD8 is built to be the centerpiece of your studio. Whether you’re tracking full bands, streaming, or building a hybrid setup, this interface gives you the professional I/O and routing power needed for serious work.

Features:

8 Presonus HDIA mic preamps
24-bit / 192 kHz high-definition audio conversion
Thunderbolt connectivity for ultra-low latency performance
Front-panel encoder for monitor control
Multiple headphone outs with individual control
MIDI I/O, optical ADAT expansion, and word clock
Rackmountable 1U chassis
Includes power cable and MIDI breakout cables
Works with Studio One and other DAWs

Condition:

Excellent condition — very clean with only a few small cosmetic scratches on the top (shown in photos). Fully tested, functions perfectly, and includes the original box, power cable, and breakout MIDI cable.

Item Condition & Testing

All used gear is fully tested when it arrives and again before shipping, so you can buy with confidence. Any included accessories are shown in the photos, and any functional issues are always noted. Expect normal cosmetic wear that may not show clearly in pictures. Since items are also available in-store, light demo wear may be present.

Shipping

We ship to the contiguous 48 states using flat-rate pricing that includes insurance. If shipping looks high, send us your ZIP for a more accurate quote. Orders outside the lower 48 may require additional costs—please reach out before purchasing. Larger or fragile items (amps, cabs, drum kits, etc.) may be local pickup only; contact us if you’re unsure.

Returns

Returns are accepted within 48 hours of delivery. The buyer covers return shipping, and a 20% restocking fee applies. If you have any questions before buying, feel free to message us—we’re happy to help.

Order Issues

If your order isn’t processing, double-check that your billing and shipping addresses match. For any other issues, just reach out and we’ll get it sorted quickly.