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Review Summary
F1: 169.445MHz
F2: 170.245MHz
Double super heterodyne
2mV at S/N of 40dB
1-9V Alkaline
25mA
1V at 30W, Modulation frequency: 1kHz, Deviation: +/-7kHz
8mV w/10KW load, Modulation frequency: 1kHz, Deviation: +/-7kHz
300 Ohms
F1: 169.445MHz
F2: 170.245MHz
FM
9V
30mA
Stereo Electret Condenser
150Hz-18KHz
Long: 55dB
Short: 72dB (at 1kHz 1V/u bar)
Long: 1.7k Ohms
Short: 660 Ohms (at 1kHz)
Better than 40dB
DC1.5V AAA size battery
100dB
400 hours with Alkaline battery
WM-Pro Transmitter: 86 x 60 x 21.5mm / 3.38 x 2.36 x 0.84"
WR-Pro Receiver: 86 x 60 x 21.5mm / 3.38 x 2.36 x 0.84"
SGM-990 Mic: 18.2 x 177mm / 0.71 x 6.96" diameter
SGM-990 Mic:: 52g / 1.83oz (without battery)
WM-Pro Transmitter: 98g / 3.45 oz(3.4oz)
WR-Pro Receiver: 128g / 4.51oz (with battery)
The Azden WHD-Pro Portable VHF Wireless System is most popular DSLR audio products are now compatible with Smartphones and Tablets. The WLX-PRO+i includes a new interface cable making it compatible with any mobile device with a TRRS jack. Record great wireless audio into your iPhone 3/4/5, iPad (3rd generation and newer), Samsung Galaxy S 3/4/5, Galaxy Tab 3 and most Android devices. A complete videographer's audio solution, the WHD-PRO+i combines Azden's very popular wireless lavalier audio kit and DSLR microphone. The WHD-PRO+i comes with a custom hard-shell carrying case for easy portability.
The WL/T-PRO combines the WM-PRO body-pack transmitter with the Ex-503 electret condenser omni-directional lavalier microphone. This is the standard 2 frequency switchable (169.445MHz and 170.245MHz) body-pack transmitter for all PRO series receivers. Uses a single 9V alkaline battery and comes with a belt-clip.
The WR-PRO is a single channel receiver, but has two selectable operating frequencies to choose from (169.445MHz and 170.245MHz) giving the user an option in case one channel has interference. Comes with camera shoe mount and a hard wired 3.5mm mono microphone output cable.
The SGM-990 is a 6" long directional or zoom microphone with 2 switchable sound pick-up patterns, "Long" and "Short". Use "Long" to focus on your sound source or pick up sound from a distance. Use "Short" for when your sound source is close or covers a broader field. Both settings will provide rejection of unwanted sound from the sides and the back. The SGM-990 has a working range of 20-40 feet, uses 1 AAA battery and comes with a windscreen, shoe mount and hook-and-loop mounting tape.