Made in: Japan. Manufacturer: Yamaha. Main In: 20 - 20,000 Hz +0/-0.5 dB. Bass: Yes, ± 10 dB (20 Hz). Technical Data. Aux/Tape/Tuner: 20 - 20,000 Hz +0/-0.5 dB. Frequency response Headphones: 0.7 V/8 ohms (output impedance: 220 ohms).
eBay