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© 2008 HM Electronics, Inc. The HME logo and product names 

are registered trademarks of HM Electronics, Inc. All rights reserved. 

HM Electronics, Inc.

14110 Stowe Drive, Poway, CA 92064  l  USA

Tel: (800)  909.6604 l  Fax:  (858)  391.2814 l  www.hme.com

Distributed by:

D X 3 0 0   W I R E L E S S   H E A D S E T   S Y S T E M

System Specifications

RF Frequency Range

 . . . . . . . . . . .

2400-2483.5 MHz

Frequency Response

 . . . . . . . . . .

200 Hz to 3.5 kHz

Security

 . . . . . . . . . . . . . . . . . . . . . .

64-Bit Encryption

Temperature Range

 . . . . . . . . . . .

-4 to 131°F (-20 to 55°C) Typ.

Transmit/Receive

 . . . . . . . . . . . . . .

Frequency Hopping, 
Spread Spectrum (FHSS)

FCC License

 . . . . . . . . . . . . . . . . . . .

None Required

FCC Acceptance

 . . . . . . . . . . . . . . .

Part 15

Wireless Headset Specifications

Transmit Power

 . . . . . . . . . . . . . . .

100 mW

Antenna

 . . . . . . . . . . . . . . . . . . . . . .

Internal

Weight

 . . . . . . . . . . . . . . . . . . . . . . .

5.7 oz (0.16 kg) with Battery

Battery Requirements

 . . . . . . . . .

One Lithium-Ion Rechargeable

Battery Life

 . . . . . . . . . . . . . . . . . . .

Up to 20 Hrs

Beltpac Specifications

Transmit Power

 . . . . . . . . . . . . . . .

100 mW

Antenna

 . . . . . . . . . . . . . . . . . . . . . .

Internal, 
Dual Diversity

Headset Connector

 . . . . . . . . . . . .

Mini-DIN

Headset Output

 . . . . . . . . . . . . . . .

160 mW into 32

Ω

Size

 . . . . . . . . . . . . . . . . . . . . . . . . . .

3.4” x 2.6” x 1.5”
(8.64cm x 6.60cm x 3.81cm)

Weight

 . . . . . . . . . . . . . . . . . . . . . . .

7.4 oz (0.21 kg) with Battery & Pouch

Battery Requirements

 . . . . . . . . .

One Lithium-Ion Rechargeable

Battery Life

 . . . . . . . . . . . . . . . . . . .

Up to 20 Hours

Base Station Specifications

Transmit Power

 . . . . . . . . . . . . . . .

100 mW

Antenna Type

 . . . . . . . . . . . . . . . . .

External, 
Dual Diversity ½ Wave Dipole (Supplied)

8-Wire I/O Base Interface

 . . . . . . .

RJ-45, 600 Ohm Balanced, 
Fixed Level

External Audio Connectivity

 . . .

Terminal Strip 

Auxiliary Input/Output

 . . . . . . . .

24K

Ω/600Ω 

Balanced, 

Level Adjustable

Headset Connectors (2)

 . . . . . . . .

Mini-Din

Headset Output

 . . . . . . . . . . . . . . .

200 mW into 32

Ω

Size

 . . . . . . . . . . . . . . . . . . . . . . . . . .

8” x 8” x 3.5”
(20.32cm x 20.32cm x 8.89cm)

Weight

 . . . . . . . . . . . . . . . . . . . . . . .

2.75 lb. (1.25 kg with Battery)

Power Requirements

 . . . . . . . . . .

100-240 VAC, 50-60 Hz, 
12-14 VDC, 
Six 1.5V AA batteries
BAT850 Rechargeable Battery (optional)

Optional Accessories

HS14D Headset

 . . . . . . . . . . . . . . .

Double muff, noise-canceling with 
uni-directional electret microphone.

AC850 Battery Charger

 . . . . . . . .

Four-port battery charger for the BAT850 
battery, power supply, cord and manual.

BAT850 Rechargeable Battery

 . .

7.2V 2300 mAH NiMH rechargeable 
battery pack for the base station.

Headset Extension Cable

 . . . . . . .

Six foot headset extension cable 
for HS14 and HS14D headsets.

6 Ft. Remote Antenna Kit

 . . . . . .

Six foot cable with right angle bracket 
for remoting base antenna.

30 Ft. Remote Antenna Kit

 . . . . .

Thirty foot cable with right angle bracket 
for remoting base antenna.

S U P E R I O R   S U P P O R T   A N D  

S E R V I C E   A G R E E M E N T S

HME offers the most comprehensive support and 

service agreements in the industry. You benefit 

from toll-free technical support, quick turnaround,

HME factory parts and workmanship, rigorous 

product testing and free return shipping.

The HME Service Agreement enables you to get 

the most from your equipment investment without

getting bogged down in maintenance details. One 

low fee covers your entire system. With our 24/7 

technical support, HME can typically solve your 

problem over the phone. If we cannot resolve 

the issue by phone, we ship fully refurbished 

emergency equipment directly to your door. 

The HME Service Agreement also includes an 

annual re-conditioning program that allows 

you to send in your equipment for a tune-up 

once a year at no charge. Ask us today about 

the HME Service Agreement.

LT07-26

Even with the standard system, the talk patterns can be 

configured to suit any number of coaching requirements.

A basic Two-Up/Three-Down configuration is shown where

the head coach can switch between the offense and defense.

The DX300 can be easily expanded to accommodate a staff

of 20 coaches.

D X 3 0 0   F I V E - C O A C H   S Y S T E M

For more information on the 
HME DX300 Wireless Headset System
call

(800) 909.6604

or visit 

www.hme.com/procoach.cfm

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