One Wire Acoustic Tube
Single Wire Earpieces with PTT & Microphone - Acoustic Tube

Comprises a moulded plug to mate with the radio. Cable runs up to a moulded "tie-clip" style box with a back clip, internal microphone and PTT (Press-To-Talk) switch.

Cable then runs up to a small round transducer with a clip, and then becomes a clear acoustic tube that runs behind the earlobe and to a small bud that's worn in the ear giving a tight fit.

It features:

Surgical grade acoustic tube , discrete and comfortable

Quick-fasten secure structure

Environmental PU cable reinforced with Kevlar

Discreet communication in sensitive environments

Suitable for many applications including: security personnel, hotel and catering staff etc.

Technical Specifications

Speaker
Dimensions:   Diameter 16.2mm x 10.6mm
Impedence:     250 ohms (+-50 ohms)
Sound Pressure Level:  104dB (+-3dB) @ 1Khz

Microphone
Type:      Electret Condenser
Impedance:  2K2 Ohm

PTT
Dimensions:    34.9 x 14.2 x 11.8mm

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MH40-GP300 Acoustic Tube & PTT/Mic
+Shipping charges
!

Model MH40-GP300  Acoustic Tube + PTT + Mic

Also compatible with a minimum of the following Motorola radios:  GP300, P110, P1225, SP50, P1225LS, LTS2000, GTX, CT150/250, CT450, CT450LS, GP68, GP88, P200, PRO1250, PRO3150, P01/02/040/080, GP2000, GP350, SP10, SP21, XTN446, GP308, CP040.

Also compatible with a minimum of the following HYT radios:    TC600, TC610/TC620, TC446

MH40-GP340 Acoustic Tube & PTT/Mic
+Shipping charges
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Model MH40-GP340 Acoustic Tube + PTT + Mic

Also compatible with a minimum of the following Motorola radios:  GP340, GP320, GP360, GP380, GP640, GP680, GP328, GP338, GP329, GP339, PTX700, PTX760, PTX780, GP140, GP1280, HT750, HT1250LS, HT1550XLS, MTX850LS, MTX950, MTX8250LS, MTX9250, MTX8250, MTX850, PRO5150, PRO7150, PRO9150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7350, PRO7450, PRO7550, PRO7750

MH40-GP344 Acoustic Tube & PTT/Mic
+Shipping charges
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Model MH40-GP344 Acoustic Tube + PTT + Mic

Also compatible with a minimum of the following Motorola radios:  EX500, EX600, GL200, ELITE, GP344, GP388, GP328plus, GP338plus.

Also compatible with a minimum of the following HYT radios:    TC780, TC3000

Also compatible with a minimum of the following Kirisun radios:    PT7200

MH40-ICOML - Acoustic Tube & PTT/Mic
+Shipping charges
!
Model: MH40-ICOML
(has a Right Angle Entry Icom 2 Pin Plug fitted)

Limited Stocks

Designed to fit Icom 2 Pin portables where the socket is on the side of the tranceiver.

Includes a minimum of: IC-F3G, IC-F3GS, IC-F3GT, IC-F4GT, IC-F4GS, IC-F4GT, IC-F43GS, IC-F43GT, IC-F43TR, IC-F11, IC-F11S, IC-F21, IC-F21S, IC-F31  

MH40-ICOMT - Acoustic Tube & PTT/Mic
+Shipping charges
!

Model: MH40-ICOMT 
(has a Top Angle Entry Icom 2 Pin Plug fitted)

Limited Stocks

Designed to fit early Icom 2 Pin portables where the socket is on the top of the tranceiver.  

Includes a minimum of: IC-H16, IC-U16, IC-H16T, IC-H10, IC-U10

MH40-KEN2P - Acoustic Tube & PTT/Mic
+Shipping charges
!

Model MH40-KEN2P Acoustic Tube + PTT + Mic

Suitable for all Kenwood Portables that use a 2.5mm + a 3.5mm socket. 
Also compatible with a minimum of the following Kenwood radios:  TK-2100/3100, TK-2102/3102, TK-2130/3130, TK-2160/3160,  TK-3101, TK-250/350, TK-259/359, TK220/320, TK230/240, TK208/308, TK-430/431, TH2/348, TK272G/372G, PRO TALK XLS, FREE TALK XLS, FREE TALK XL & PRO POWER.

- and also compatible with most Hong Kong radios - Linton, Luiton, Puxing, etc...

MH40-KENMT - Acoustic Tube & PTT/Mic
+Shipping charges
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Model MH40-KENMT Acoustic Tube + PTT + Mic

Suitable for all Kenwood Portables that use a multipin connector.   Also compatible with a minimum of the following Kenwood radios:  TK-280, TK-290, TK-380, TK-385, TK-390, TK-480, TK-481, TK-2041, TK-2140, TK-3140, TK-3148

MH40-T8000 Acoustic Tube & PTT/Mic
+Shipping charges
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Model MH40-T8000 Acoustic Tube + PTT + Mic

Also compatible with a minimum of the following Tait radios:  TP8110, TP8115, TP8120, TP8135, TP8140, & TP7110.

MH40-TRBO Acoustic Tube & PTT/Mic
+Shipping charges
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Model MH40-TRBO Acoustic Tube + PTT + Mic for Motorola TRBO Digital Radios

Also compatible with a minimum of the following Motorola radios:  DP3400/DP3600, DP3401/DP3601

MH40-VX Acoustic Tube & PTT/Mic
+Shipping charges
!
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Model MH40-VX Acoustic Tube + PTT + Mic

Also compatible with a minimum of the following Vertex (Yaesu) radios: 

VX-10, VX-110, VX-160, VX-180, VX-210, VX-231, VX-210A, VX-200, VX-300, VX-400, VX-410, VX-420, VX-150, VX-2R11