The Alto EQU231 Twin Stereo Equalizer offers comprehensive 31-band equalization for each stereo channel, allowing for detailed frequency adjustments in both live and studio settings. Its selectable ±6dB or ±12dB boost/cut range provides flexibility in tonal shaping, while the fixed high-pass and low-pass filters help eliminate unwanted frequencies. The unit’s balanced and unbalanced input/output options ensure compatibility with a variety of audio equipment. Housed in a durable 2U rackmount chassis, the EQU231 is built to withstand the demands of professional audio environments. Whether used for front-of-house sound reinforcement or in recording studios, it delivers precise and reliable performance.

The Mbox 2 is a compact, bus-powered USB audio/MIDI interface that offers clean 24-bit/48 kHz conversion, dual mic/line inputs with phantom power, S/PDIF digital I/O, and MIDI ports — all packed in a portable desktop unit. Its zero-latency monitoring and balanced outputs make it ideal for home studios, laptop rigs, or mobile recording setups. With its reliability and included software package, it remains a solid choice for musicians and producers needing versatile I/O without complexity.

The QF family features one dual-channel model and one single-channel unit, all incorporating Peavey’s legendary low-noise, low-distortion design. Ruggedly constructed, QF Series EQs have 45 mm, center-detented control sliders enclosed in metal for durability. These two rack-space units also offer ±15 dB gain control and an LED display indicating output level. Other shared features include switchable low-cut filters, +21 dBu balanced inputs and outputs, and bypass switches. QF Series equalizer filters are set at ISO center frequencies within 3% accuracy. Whether on stage, in the studio, or simply tweaking your home hi-fi system, the QF Series has an EQ for you.