For Simultaneous Operation of Four Transmitters
4 guitar - instrument
Features:

•Four discrete UHF wireless receivers in a single rugged 19" all-metal rackmount housing for simultaneous operation of up to four transmitters
•Back panel balanced XLR mic level outputs; unbalanced ¼" jack line level sum output with separate volumes; and external adjustable mute control for each channel
•Front panel LED display indicating TX On (single LED) and 5-segment AF levels for each channel
•Dual removable antennas
•Nady’s exclusive patented companding circuitry and highest quality audio for an unsurpassed UHF performance with 120dB dynamic range
•Tone Squelch™ circuitry for protection from RF interference
•Externally powered with DC adapter included (16.5VDC/0.4A)

UB-4 Bodypack Transmitter:

•Off/Standby/On switch allows convenient audio muting while transmitter on
•Status LED indicator flashes once for unit on; lights steady
for low-battery alert
•Locking 3.5mm mini-jack provides secure connection for removable microphone or instrument cable
•Easily accessible input level adjust control for optimum sound (HM/LT operating modes only)
•Uses a single 9V alkaline or NiMH batter

Overall
Frequency response: 30Hz-18kHz, -3dB
Dynamic range: 120dB
Harmonic distortion: <0.5% THD, normal
RF carrier frequencies: Factory installed channels between 902-928MHz and 944-952MHz
Frequency stability: ±0.005% crystal controlled
Modulation: FM ±20kHz normal, ±50kHz maximum
TSQ frequency: 32.768kHz
Operating range: 250 feet normal, 500+ feet max line of sight

Wireless Receiver
Controls: Power ON/OFF buttons, Volume/Mute Controls
Audio output level: Unbalanced Sum output: 360mV variable level, Balanced outputs; ±24mV fixed level
Connectors: Balanced-XLR. Unbalanced-1/4" TS DC in: 2.1mm barrel type
Indicators: Power On, TX, and AF LEDs
Mute threshold: -65dBm to -95dBm (adjustable)
Image rejection: 70dB, minimum
Power requirement: 16.5VDC/0.4A
Antennas: 4.0" (10.2 cm) Dual telescopic antennas
Dimensions (WxDxH): 17" x 6.25" x 1.75", (43.18cm x 15.88cm x 4.45cm)
Weight: 4.10lb. (1.86kg)

UB-4 Bodypack Transmitter
RF Output Power: +14dBm (25mW normal), +17dBm (50mW maximum allowed by FCC)
Harmonic/spurious: -50dBc normal
Antenna Type: External permanent attached
Controls: Transmitter ON/Mute/OFF switch, Audio Input level control (LT/HM)
Audio input levels: 225mV (Instr.), 310mV (HM), 75mV (Lav.)
Input impedance: 500kΩ (Instr.), 2kΩ (HM/Lav.)
Connector: 3.5mm locking jack
Indicator: Power and low battery LEDs
Battery Type: 9V alkaline or rechargeable battery
Battery Life: 8-10 hours normal
Dimensions (WxDxH): 2.5" x 4.25" x 1.0", (6.35cm x 10.80cm x 2.45cm)
Weight (w/o batteries): 3.1oz (88g)

Nady Systems U-41 QUADGT (Nady U-41 QUAD GT)