System 10 PRO Wireless Body-pack System ATW-1301 System 10 PRO Digital Wireless System includes: ATW-RC13 rack-mount receiver chassis, ATW-RU13 receiver unit and ATW-T1001 UniPak transmitter Overview ATW-1301 System 10 Pro Wireless Body-Pack System ATW-RC13 Rack-mount receiver chassis, ATW-RU13 receiver unit and ATW-T1001 body-pack transmitter.Select a microphone or cable with a cW-style locking 4-pin connector to complete the system. Specifications Overall System Operating Frequencies 2.4 GHz ISM band (2400 to 2483.5 MHz) Frequency Response 20 Hz to 20 kHzDepending on microphone type Operating Range 60 m (200') Open range env. with no interfering signals Total Harmonic Distortion 7 hours (alkaline)Depending on battery type and use pattern Dimensions 254.8 mm (10.03") long, 50.0 mm (1.97") diameter Net Weight 280 grams (9.9 oz)without batteries Accessories Included AT8456a Quiet-Flex stand clamp Body Pack RF Power Output 10 mW Battery Life >7 hours (alkaline)Depending on battery type and use pattern Battery Type Two 1.5V AAnot included Dimensions 70.2 mm (2.76") W x 107.0 mm (4.21") H x 24.9 mm (0.98") D Input Connections Four-pin Locking ConnectorPin 1: GND, Pin 2: INST INPUT,Pin 3: MIC INPUT, Pin 4: DC BIAS +9V Net Weight 100 grams (3.5 oz)without batteries Spurious Emissions Following federal and national regulations Receiver Receiving System Diversity (frequency/time/space) Maximum Output Level XLR, balanced: 0 dBV 1/4" (6.3 mm), unbalanced: +6 dBV Power Supply 100-240V AC (50/60 Hz) to 12V DC 0.5A power supply switched mode external Dimensions 209.8 mm (8.26") W x 44 mm (1.73") H x 169.3 mm (6.67") D Weight 940 grams (33.2 oz) Accessories Included AC adapter, Link cable, Rack-mount adapters, Joining plate, Rubber feet