In this video, we hear the impressive sound ouput of Kastle, a pocket-sized modular synthesizer that can generate some gritty lo-fi tones, being powered by three AAA batteries.
“The oscillator section has 3 sound parameters pitch, timbre and waveshape – all under voltage control and with 3 different synthesis modes. It has a main output and a square wave output. Both can be used independently or combined. The 3 synthesis modes are phase distortion, phase modulation (also known as FM) and track & hold modulation…”
You can buy the synth for €65.60 and receive it in November. Considering its versatile functionality and convenient size, the price is not bad at all.