Frequency - A - 530.025-559.000 MHz. High-performance analog wireless microphone system for vocals that delivers brilliant sound and is easy to use, ideal for musicians and small installed sound venues. It contains SR 45 receiver, PT 45 body-pack transmitter and C544 L head-worn microphone. Preset frequency sets, 30 MHz selection bandwidth and Auto Setup Mode allow for easy setup from single-channel applications to multi-channel systems. Both receiver and transmitter operate in the 500 to 560 MHz UHF carrier frequency range and offer up to 8 selectable carrier frequencies. Stationary receiver is equipped with professional balanced XLR and unbalanced TRS 1/4” outputs and the SMPS solution, and offers adjustable audio level and squelch threshold. Ultra lightweight body-pack transmitter ensures maximum user mobility and can be used with both dynamic and condenser microphones, as well as electric guitars, bas guitars and key-tars. It is also equipped with low battery indicator and can be powered by one 1.5 V AA battery (up to 10 hours). Head-worn miniature pre-polarized condenser microphone with cardioid polar pattern and universal fit offers a convenient ergonomically optimized behind-the-neck headband and comes with four moisture shields that protect the transducer from perspiration and reduces wind and pop noise. Its transducer is shock mounted on the microphone arm which supresses the cable and mechanical noise, ad 1.5 m long cable. Microphone provides frequency range of 20 Hz-20 kHz with sensitivity of 40 mV/Pa and maximum SPL of 126 dB. Since it is a condenser microphone, it requires a power supply (phantom power or 9 V battery supply via body-pack transmitter). Universal power supply with US/UK/EU adapter, 4 moisture shields, windshield and one AA size dry battery are included. System T.H.D. @ 1 kHz: 0.8%. Signal/noise ratio: 105 dB. Receiver dimensions and weight: 200 x 190 x 44 mm, 360 g. Transmitter dimensions and weight: 60 x 74 x 30 mm, 60 g. Microphone dimensions and weight: 130 mm (in diameter), 30 g. Matte black finish.