Galaxy Audio ECM UHF Handheld Wireless Microphone System

Interact with your fans without the constraints of a microphone chord with the hand-held wireless system from Galaxy. Includes squelch adjustment and a rugged plastic casing.

The affordable Galaxy Audio ECM handheld wireless system allows freedom of movement for you to completely interact with your fans. The system features the ECMR receiver with 16 user selectable channels and diversity reception. Infrared (IR) channel sync is possible between the receiver and transmitter. The Galaxy ECM wireless system is an excellent choice for presentations, small performances and more.


ECM Receiver
- 16 Selectable Channels
- 200 Foot Range
- Diversity Antennas
- Frequency Range 655 to 679 MHz
- Output Volume Control
- AF Level Indicator
- IR Sync
- Squelch Adjustment
- XLR and 1/4 inch Outputs
- Rugged Plastic Casing

HH52 Handheld
- Dynamic Microphone Element
- On/Off Switch
- Gain (Sensitivity) Control with High/Low RF Power Switch
- IR Sync
- 2 AA Batteries
- 10 mW
- 9.5 oz (270 g)

The ECM handheld wireless system includes the ECMR receiver, one 1/4 inch cable, HH52 handheld transmitter, power adapter and manual.
WARNING: Cancer and Reproductive Harm -

Galaxy Audio ECM UHF Handheld Wireless Microphone System System Specs

- Frequency Range: 655~679MHz
- Transmitter Output Level: 10dBm
- Band: UHF
- Operating Range: Under Typical Conditions 150' (50m)
- Note: actual range depends on RF signal absorption, reflection, and interference
- Audio Frequency Response: +/-3dB 70Hz~16KHz
- Total Harmonic Distortion: +/-30KHz deviation 1KHz tone <1%
- Dynamic Range: >90dB A-weighted
- Operating Temperature: Range 14oF to 122oF (-10 Co to +50 Co)
- Note: battery characteristics may limit this range

ECM Receiver
- Audio Output Level: (+/-30KHz deviation, 1KHz tone) XLR connector (into 600 Ohms load) -12dBV 1/4 inch connector (into 3KOhms load) -18dBV
- Output Impedance: XLR connector 200Ohms 1/4 inch connector 1KOhms
- XLR output: Impedance balanced
- Pin1:Ground (cable shield)
- Pin2:Audio
- Pin3:No Audio
- Sensitivity: -93dBm for 30dB
- Image Rejection: >90dB
- Dimensions (HxWxD): 1.75 x 9.25 x 4.75 inches, (44.45 x 235 x 121mm)
- Weight: .85lbs (.39kg)
- Power Requirements: 13.5 V dc at 300mA, supplied by external power supply.

HH52 Cardioid Dynamic Element Handheld Transmitter
- Max Audio input level: 0dBV
- Gain: (Sensitivity) Control with High/Low RF Power Switch
- Dimensions: 9.8 x 2.1 inches diameter (250 x 53 mm)
- Weight: 9.5oz. (270 g) (without batteries)
- Power Requirements: 2 AA size alkaline or rechargeable batteries
- Battery Life: About 8 hours
Dimensions and Weight in Packaging
Band N (518-542 MHz)
Shipping Weight: 3.25 lbs
Shipping Dimensions: 18 x 12 x 3 in
Manufacturer Part Number (MPN): ECMRHH52N
Band D 584-607 MHz
Shipping Weight: 3.25 lbs
Shipping Dimensions: 18 x 12 x 3 in
Manufacturer Part Number (MPN): ECMR/HH52D

Consumer Alert

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at

NOTE: None of the wireless systems we carry are capable of violating the FCC guidelines stated above. We are presenting this information as a matter of legally required disclosure.

For support or warranty questions, please contact the manufacturer:
Phone: 800-369-7768 x101

Band N (518-542 MHz)

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