Used Optimus 31 2025 Equalizer

Looking to enhance your vintage audio setup? This used Optimus 31-2025 Equalizer is a budget-friendly way to fine-tune your sound. Featuring 7 bands of equalization per channel, adjustable from 60Hz to 16kHz, it brings greater clarity and balance to your home audio experience. The device supports both RCA input and output connections and includes a spectrum analyzer display for easy visual monitoring. It’s in fair condition with moderate cosmetic wear and minor scuffs, but fully functional and tested. Perfect for budget-conscious audiophiles or as a backup component, this classic equalizer still delivers dependable performance.