Bastl Instruments Kastle ARP, Modular Mini Synthesizer with Sequencer, Sine wave oscillator with pitch quantiser and digital waveshaper, Note control knob for selecting the pitch and chord control knob for choosing a triad chord, Boot Mode allows to set root note and fine-tuning, Timbre control (waveshaper) with modulation input and attenuator, Adjustable decay envelope, Separate outputs for Arp and Bass signals, Internal LFO with triangle and pulse waveforms, Clock input and patch points to manipulate the internal sequencer / shift register, Patch points for connecting to external gear, 3.5 mm jack line/headphone output, Powered via batteries (x3 type AA) or Micro USB port (batteries and power supply not included), Dimensions (W x D x H): 70 x 60 x 50 mm, Including 10 patch cables