Audio-Technica?s System 10 is a digital high-fidelity wireless system designed to provide performing musicians and presenters with advanced 24-bit operation easy setup and clear natural sound quality. Operating in the 2.4 GHz range far from TV and DTV interference System 10 offers extremely easy operation and instantaneous channel selection. Up to eight channels may be used together without any frequency coordination problems or group selection issues. System 10 receivers and transmitters offer an easy-to-read digital ID display. System 10 wireless ensures clear communications by providing three levels of diversity assurance: frequency time and space. Frequency Diversity sends the signal on two dynamically allocated frequencies for interference-free communication. Time Diversity sends the signal in multiple time slots to maximize immunity to multipath interference. Finally Space Diversity uses two antennas on each transmitter and receiver to maximize signal integrity. Featuring stackable contemporary styling System 10 is available in multiple system configurations with handheld vocal microphone/transmitters and UniPak® body-pack transmitters designed for use with lavalier headworn and instrument microphones as well as electric guitars. Each configuration includes the ATW-R1100 receiver and either a body-pack transmitter or handheld microphone/ transmitter. The ATW-R1100 is a digital receiver offering volume control along with AF Peak and Pair indicator lights. Features: Digital 24-bit/48 kHz wireless operation for ultimate sound quality and dependable performance 2.4 GHz range ? completely free from TV interference Three levels of diversity assurance: frequency time & space Automatic frequency selection for seamless interference-free operation Extremely easy operation with instantaneous channel selection sync and set-up State-of-the-art digital receiver for reliable performance Balanced XLR and unbalanced 1/4? output jacks with level control Specifications: Operating Frequencies 2.4 GHz ISM band Dynamic Range >109 dB (A-weighted) typical Total Harmonic Distortion <0.05% typical Operating Range 30 m (100 ) typical - Open range environment with no interfering signals Operating Temperature Range 0° C to +40° C (32° F to 104° F) - Battery performance may be reduced at very low temperatures Frequency Response 20 Hz to 20 kHz - Depending on microphone type ATW-1102 Includes: TW-R1100 Receiver ATW-T1002 Handheld Dynamic Unidirectional Microphone/Transmitter AT8456a Quiet-Flex Stand Clamp