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TECPRO COMMUNICATION SYSTEM - Headsets

DMH320 – Dual muff
SMH310 – Single muff

– New generation high performance headsets specifically designed for communications use
– Retains the renowned durability and comfort of the 200 series
– Very robust construction, made from unbreakable flexible composite material
– Similar construction to 200 series, spare parts also available
– Dual-chamber foam-filled earshells, larger than 200 series for wearing comfort
– High acoustic isolation on DMH320 for reduced ear fatigue
– Extended response ear loudspeakers
– Broadcast quality noise-cancelling dynamic microphone
– New boom design allows use with boom at left or right hand side
– Mic switched off by swinging boom upwards
– Boom can be bent into optimum position to suit the wearer

Technical Specification
Nominal impedance: 400 ohm each at 1kHz
Frequency response: 20–20,000Hz
Sensitivity: 94dB s.p.l. for 1mW
Distortion: Less than 0.5%
Max. rated power handling: 0.5 watts
Microphone: Dynamic type, uni-directional, wired balanced
Nominal impedance: 200 ohm at 1kHz
Frequency response: 40–15,000Hz
Approx. weight: DMH320 350g
SMH310 220g
Cable: 1.8m (balanced mic with separate left and right ear loudspeakers)

DMH220 – Dual muff
SMH210 – Single muff

– Very robust construction with only two moving joints
– Hidden fixings hinder tampering whilst allowing easy repairs
– Full range of spare parts available
– Noise cancelling microphone on flexible steel-reinforced boom
– Steel core cable for extra strength
– Soft comfortable cushions
– Wide, smooth response for reduced listening fatigue

Technical Specification
Nominal impedance: 400 ohm each at 1kHz
Frequency response: 20–20,000Hz
Sensitivity: 94dB s.p.l. for 1mW
Distortion: Less than 0.5%
Max. rated power handling: 0.5 watts
Microphone: Dynamic type, uni-directional
Nominal impedance: 200 ohm at 1kHz
Frequency response: 300–11,000Hz
Approx. weight: DMH220 250g
SMH210 210g
Cable: 1.5m steel braced.
Wiring Conventions

Headset connectors:

XLR 4 pin -
Pin 1 Microphone earth/screen
Pin 2 Microphone signal
Pin 3 Earphones earth/screen
Pin 4 Earphones signal
XLR 5 pin -
(BP116 and BP117 only)
Pin 1 Microphone earth/screen
Pin 2 Microphone signal
Pin 3 Earphones earth/screen
Pin 4 Left earphone signal
Pin 5 Right earphone signal
  Description Price (£) Add to basket
TECPRO SMH310 Single muff headset   Stock code:
£215.00
TECPRO DMH320 Dual muff headset   Stock code:
£245.00
TECPRO SMH210 Single muff headset   Stock code:
£110.00
TECPRO DMH220 Dual muff headset   TECPRO DMH220 Dual muff headset Stock code: 27-220
£120.00
TECPRO DT108 Single muff headset   Stock code:
£180.00
TECPRO DT109 Dual muff headset   Stock code:

Special order product. Order cancellations may incur charges.

£230.00
TECPRO DMH320 Dual muff headset (XLR 5 pin connector)   Stock code:

Special order product. Order cancellations may incur charges.

£250.00
TECPRO DMH220 Dual muff headset (XLR 5 pin connector)   Stock code:
£125.00
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