• Power Source  : 36 V DC, 30 mA or less (supplied from the Central Unit TS-780)
• Output  : Headphones/Recording: 32 Ω (headphone)/10 kΩ, -20 dB* (recording),

unbalanced, mini jack (with VR) × 2

Internal speaker: 130 Ω, 200 mW (with Volume control)

• Control  : Speech button: Microphone, speaker on-off control by speech switch
• Operating Temperature  : 0 ℃ to +40 ℃ (32 ゜F to 104 ゜F)
• Operating Humidity  : 90 %RH or less (no condensation)
• Finish  : Upper case: ABS resin, silver metalic, paint / Lower case: ABS resin, black
• Dimensions  : 145.3 (W) × 70.7 (H) × 150.5 (D) mm (5.72″ × 2.78″ × 5.93″)
• Weight  : 800 g (1.76 lb)
• Option :  Extension cord: YR-780-2M, YR-780-10M / Microphone: TS-773 (standard), TS-774 (long) (select either one)