Tested and working great - Comes with PSU!

Bought this new about 3 years ago and just haven't really used it much, so it's time for it to move on.

Here's a description from google:

The Behringer MonoPoly (often stylized as Monopoly) is an authentic, ultra-affordable analog recreation of the classic 1980s Korg Mono/Poly synthesizer. Featuring four oscillators, a 4-voice polyphonic/paraphonic engine, and a 37-key full-size keyboard, it delivers fat, vintage tones, versatile cross-modulation, and an arpeggiator. Core Features & Specs

• Sound Engine: Pure analog signal path based on vintage VCO, VCF, and VCA designs.
• Oscillators: 4 VCOs, each with 4 selectable waveforms (triangle, reverse sawtooth, pulse width, and pulse width modulation).
• Play Modes: Monophonic, duophonic, and 4-voice polyphonic/paraphonic playstyles.
• Controls: 37 semi-weighted, full-size keys with velocity, plus a tiltable front panel housing 62 knobs and switches.
• Effects & Modulation: Classic 24 dB filter with resonance, cross-modulation, oscillator sync, and dual analog LFOs.
• Connectivity: MIDI In/Out/Thru, USB/MIDI, and CV/gate jacks for integrating with Eurorack setups.