H1 Ivory hammer action with 88 weighted keys- 128-Voice polyphony- 20 Instrument presets- Performance modes: split, layer and duo- Transpose- Tune +/- 100 cents- Metronome- 2 Band equaliser- DSP-Effects (reverb and chorus)- Audio interface with 24 bit / 48 kHz- Input: 3.5 mm jack- Output: 6.3 mm jack- Headphone output: 6.3 mm jack- Inputs for sustain and soft pedal- Bluetooth (5.2, MIDI and audio)- USB to host (MIDI and audio)- Built-in speakers: 4 x 30 Watts- Power supply via mains adapter or batteries- Dimensions: 1320 x 337 x 112 mm- Weight: 14.8 kg- Colour: Black- Including mains adapter, sheet music holder, USB cable and sustain pedal