The Dual DHu Digital Encrypted Handheld Wireless System from Lectrosonics is a compact, professional two-channel wireless solution designed for live performance, broadcast, rental, and house-of-worship applications. The system pairs two DHu Digital Encrypted handheld transmitters with a DSQD half-rack receiver to deliver studio-quality audio, exceptional RF reliability, and secure digital operation.Each DHu handheld features a 4th-generation digital design for extended battery life on two AA batteries, full UHF tuning (470608 MHz; 470614 MHz export), selectable 25 mW or 50 mW RF output power, and AES-256 CTR encryption. Premium audio components, fine-increment gain control, adjustable low-frequency roll-off, and a DSP-controlled dual-envelope limiter provide clear, natural vocal reproduction with excellent headroom. The DHu is compatible with nearly any dynamic or condenser microphone capsule (Sennheiser capsules require a separate thread adapter).The DSQD receiver delivers ultra-low-latency digital audio with an extended operating range, continuously tunable tracking filters, and both analog and digital audio outputs. Rear-panel antenna inputs with loop-through capability support remote antenna systems, with optional front-panel antenna mounting available.Main Features:Built for uncompromising RF stability.Rugged and Durable.Operates over entire UHF range (470-608).Academy award winning sound.Ultra-low latency.RF performance you can bet the show on.Designed and built in the U.S.A.What’s Included:1 Lectrosonics DSQD 4ch Digital Wireless Receiver with Dante2 Lectrosonics HHC Cardioid Condenser Capsules for HH Transmitter2 Lectrosonics DHu Wireless HandHeld Transmitter1 Lectrosonics RMPM2T-1 Rack kit for single DSQD receiver2 Lectrosonics ARG15 15′ Cable, Mini Coax BNC-BNC2 Lectrosonics ALP500 Antenna LPDA, Shark Fin StyleSpecifications:Frequency Selection: Selectable; 100 kHz or 25 kHzRF Power Output: Selectable; 25 mW or 50 mWFrequency Stability: 0.002%Digital Modulation: 8PSKSpurious Radiation Compliance:- DHu: ETSI EN 300 422-1 v1.4.2- DHu / E01 / E01-B1C1: ETSI EN 300 422-1 v2.1.2Frequency Response: 40 Hz 20 kHz (1 dB)Input Compressor: Dual-envelope compressor, >30 dB rangeGain Control Range: 45 dB, semi-log menu-driven control, 1 dB stepsLow-Frequency Roll-Off: Selectable 3 dB @ 35 Hz, 50 Hz, or 70 Hz 36 dB/octave slopeModulation Indicators: Dual bi-color LEDs indicate 20, 10, 0, and +10 dB LCD bar-graph modulation indicatorOperating Temperature Range: 20 C to +50 C (5 F to +122 F)