The BEALE AK160 features 61 note, touch-sensitive non-weighted piano box style keys with built-in stereo speakers and headphone output. Its 64 note polyphonic capacity ensures you can play complicated songs with ease. The AK160 lets you select a wide range of sound voices to play almost any desired instrument. The backlit LCD screen allows an easy visual of the selected sounds and an in-built metronome to assist you to play in time. Smart Acoustic SHD60 Headphones The SHD60 headphones are designed for Hi-Fi, live, and studio applications, and when accurate reproduction of the source material is a top priority. It features a precisely tuned semi-open acoustic chamber design for wide dynamic range and excellent low frequency reproduction. The SHD60's frequency response from 10 Hz to 30,000 Hz is proof of that. With a rated impedance of 32 ohms at 1kHz and a power handling capacity of 300mW, distortion is kept to a minimum. The SHD60's self-adjusting headband is designed for maximum comfort during long listening sessions, and the single-sided connection, 2.5 meter cable minimizes tangling. Features Bundle contains: 1 x Beale AK160 Digital Piano, 1 x Smart Acoustic SDH25 Headphones AK160: 61 Keys with Touch Response; 64 Note Polyphony AK160: 585 Sound Voices; 202 Accompaniment Styles; 157 Songs SDH25: frequency response of 20Hz - 20000Hz