• Frequency response 40 Hz to 16 kHz
• SNR >90 dBA
• Dynamic range >94 dB
• THD <0.05%
• Power supply AC 100 V-120 V 60 Hz or AC 220 V-240 V 50 Hz
• Power consumption 152 W
• RS-232 connection nine-pole Sub-D female socket

• LINE IN 1 +18 dBu, BAL.
• LINE IN 2 +18 dBu, UNBAL.

• LINE OUT 1 +18 dBu, BAL.
• LINE OUT 2 +18 dBu, UNBAL. 

• Mounting Tabletop
• Dimensions (h x w x d) 74 x 430 x 116 mm
• Weight 2.3 kg
• Color Black (PANTONE 419 C) 

• Frequency response 40 Hz to 16 kHz
• SNR >90 dBA
• Dynamic range >94 dB
• THD <0.05%
• Power supply AC 100 V-120 V 60 Hz or AC 220 V-240 V 50 Hz
• Power consumption 152 W
• RS-232 connection nine-pole Sub-D female socket

• LINE IN 1 +18 dBu, BAL.
• LINE IN 2 +18 dBu, UNBAL.

• LINE OUT 1 +18 dBu, BAL.
• LINE OUT 2 +18 dBu, UNBAL. 

• Mounting Tabletop
• Dimensions (h x w x d) 74 x 430 x 116 mm
• Weight 2.3 kg
• Color Black (PANTONE 419 C) 

• Power supply AC 100 V - 240 V, 50 Hz / 60 Hz
• Power consumption 150 W
• Mechanical
• Dimensions (h × w × d) 42 × 296 × 133 mm
• Weight 1.5 kg
• Color Black (PANTONE 419 C)

• HCS-3900ME Economical Digital Conference System
• Extension Unit (6P sockets) 

• Max. consumption 2 W

Headphone connection

• Frequency response 40 Hz to 16 kHz
• Earphone load impedance >16 Ohm
• Earphone output 10 mW

• Transducer Electret-condenser
• Polar pattern Uni-directional
• Sensitivity -46 dBV/Pa
• Frequency response 80 Hz to 18 kHz
• Input impedance 2 kOhm
• Directivity 0°/180° > 20 dB (1 kHz)
• Equivalent noise 20 dBA (SPL)
• Maximum sound pressure level 125 dB (THD<3%)

• Connector Ø 3.5 mm stereo jack for headphone

• Mounting Tabletop
• Dimensions (h x w x d) (w/o stem microphone) 71 x 124 x 138 mm
• Weight (incl. stem microphone) 0.9 kg
• Color Champagne (PANTONE 401 C) panel + black (PANTONE419 C) base / Charcoal gray (PANTONE Cool Gray 11 C)panel + black (PANTONE 419 C) base
• Stem length 410 mm (standard version),240 mm, 330 mm, 470 mm 

• Max. consumption 2 W

Headphone connection

• Frequency response 40 Hz to 16 kHz
• Earphone load impedance >16 Ohm
• Earphone output 10 mW

• Transducer Electret-condenser
• Polar pattern Uni-directional
• Sensitivity -46 dBV/Pa
• Frequency response 80 Hz to 18 kHz
• Input impedance 2 kOhm
• Directivity 0°/180° > 20 dB (1 kHz)
• Equivalent noise 20 dBA (SPL)
• Maximum sound pressure level 125 dB (THD<3%)

• Connector Ø 3.5 mm stereo jack for headphone

• Mounting Tabletop
• Dimensions (h x w x d) (w/o stem microphone) 71 x 124 x 138 mm
• Weight (incl. stem microphone) 0.9 kg
• Color Champagne (PANTONE 401 C) panel + black (PANTONE419 C) base / Charcoal gray (PANTONE Cool Gray 11 C)panel + black (PANTONE 419 C) base
• Stem length 410 mm (standard version),240 mm, 330 mm, 470 mm