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The AKG Sports Set Single features selectable frequencies. The diversity receiver ensures the best possible reception at any time, an ideal feature for the gym where users tend to move about quickly. The C 444 L uses special moisture and pop shields to keep any moisture out of the microphone. The transmitter operates for 30 hours off a single AA size battery, saving frequent battery replacements and thus a lot of money. The WMS 40 PRO Headset Sports Wireless System includes the SR 40 Single, the PT 40 Pro, and the C 444 L

AKG WMS 40 PRO Headset Sports Wireless System Specifications:
PT 40 Pro
Carrier frequency range: 710 to 865 MHz, 1 fixed frequency
Modulation: FM
Audio bandwidth: 40 Hz to 20 kHz
THD: typ. 0,8 % (at 1 kHz)
Signal/noise ratio: typ. 110 dB(A)
Power supply: 120/230 V AC
Audio outputs: bal. 1/4" jack, output level adjustable, at rated deviation: 500 mV rms.
Dimensions: 200 x 190 x 44 mm (7.8 x 7.4 x 1.7 in.)
Net weight: 581 g (1.3 lbs.)

SR 40 SINGLE
Carrier frequency range: 710 to 865 MHz, 1 fixed frequency
Modulation: FM
Audio bandwidth: 40 Hz to 20 kHz
THD: typ. 0,8 % (at 1 kHz)
Signal/noise ratio: typ. 110 dB(A)
Power supply: 120/230 V AC
Audio outputs: bal. 1/4" jack, output level adjustable, at rated deviation: 500 mV rms.
Dimensions: 200 x 190 x 44 mm (7.8 x 7.4 x 1.7 in.)
Net weight: 581 g (1.3 lbs.)

C 444 L
Polar pattern: cardioid
Frequency range: 20 to 20,000 Hz
Sensitivity: 40 mV/Pa (-28 dBV)
Max. SPL: (k=1%) 126 dB
Equivalent noise level: 22 dB-A
Signal/noise ratio (A-weighted): 72 dB
Impedance: 200 ohms
Recommended load impedance: >2000 ohms
Supply voltage: 1-10 V
Current consumption: <2 mA
Connector: C 444 L: 3-pin mini XLR
Cable: 1.5 m (5 ft.)
Finish: matte black
Dimensions: 145 x 110 x 70 mm / 5.7 x 4.3 x 2.8 in.
Net weight: C 444 L: 30 g / 1.1 oz.
Shipping weight: C 444 L: 200 g / 7.1 oz.

AKG WMS 40 PRO Headset Sports Wireless System Features:
SR 40 SINGLE
Single fixed frequency
All-metal case
Multichannel capability for simultaneous use of up to seven channels (maximum number of channel depends on local frequency plans)
High Definition Audio Performance technology ensures the legendary, realistic AKG sound and perfect audio transmission

strong> PT 40 Pro
Single fixed frequency
All-metal case
Multichannel capability for simultaneous use of up to seven channels (maximum number of channel depends on local frequency plans)
High Definition Audio Performance technology ensures the legendary, realistic AKG sound and perfect audio transmission

C 444 L
Ergonomically optimized behind-the-neck headband
Moisture shield
External shock mount for high mechanical-noise rejection