(Remote Not Included) Yamaha, the most trusted brand in home audio, adds Bluetooth compatibility in this Hi-Fi receiver for easy wireless access to streaming music services and music on your smartphone or other devices. Enjoy the connectivity and the outstanding and legendary quality of Yamaha Natural Sound.? Frequency Response: 10 Hz – 100 kHz (0 ± 0.5 dB / 0 ± 3.0 dB).