This the lite version of Grand Piano AUv3 if you need more quality sound, effects and presets you can look at Grand Piano Auv3 2. Grand Piano AUv3 Play your favorite instrument on iPhone, iPad and Mac( designed for iPad) with AUv3 support. Specifications: Audio Engine: 48KHz, 24Bits. 16 Velocity layers. Customizable keyboard. Bluetooth Support. Low latency.