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401 OVERALL SYSTEM PERFORMANCE
Frequency Response 25-20,000 Hz, +/-3dB
Dynamic Range 120dB
Total Harmonic Distortion <0.3%
RF Carrier Frequency Range 169-216 MHz
Frequency Stability +/- 0.005%, crystal controlled
Modulation FM (F3E), +/-20KHz max.
Operating Range Up to 250 ft. typical (depending on site conditions); up to
500+ feet optimum line-of-sight
401 TRANSMITTERS
Audio Inputs
• WHT-15 Nady DM-10D neodymium dynamic cartridge
• WLT-15/WGT-15 3.5mm mono locking jack for connecting to omni or
unidirectional lavalier mic or unidirectional headworn mic,
with phantom power (WLT-15); or connecting to instrument
cable (WGT-15)
• LINK 2™ Locking XLR jack for connecting to microphone or cable, with
selectable phantom power
Controls
• WHT-15 OFF/STANDBY/ON switch
• WLT-15/WGT-15 OFF/STANDBY/ON switch, input level adjust
• LINK 2™ OFF/STANDBY/ON, LO/HI Level, and ON/OFF Phantom
power switch
LED Indicator Unit "ON" (single flash), Low Battery Alert (steady)
RF Power Out 50mW (Max. allowed by FCC)
Harmonic & Spurious Emissions >-40dB
Battery 9V Alkaline
Battery Life Up to 15 hours
Dimensions
• WHT-15 9.5" X 1.4" Diam. (24.1 X 3.5 cm)
• WLT-15/WGT-15 4.1" X 2.4"X 0.8" (10.4 X 6.1 X 2.0 cm)
• LINK 2™ 4.5" X 1.5" X 1.25" (11.4 X 3.8 X 3.2 cm)
Weight (w/o battery)
• WHT-15 6.9 oz (193 g)
• WLT-15/WGT-15 3.6 oz (101 g)
• LINK 2™ 2.6 oz (71 g)
401 RECEIVER
Controls Power ON/OFF, volume control, mute control
Connectors 4 unbalanced adjustable and single mixed (all four channel)
1/4” audio out jacks
Receiver 2.1 mm barrel-type DC input jack (tip=positive)
LED Indicators Power ON; 5-LED AF level displays, TX on 401
Dimensions 1.75” x 7.5” x 16.5” (4.4 x 19 x 42 cm)
Weight 4.5 lbs (2 Kg)
Power Requirements 12V @ 400mA, nominal, AC/DC adapter supplied
Antenna Connectors Dual SO-239 jacks
SPECIFICATIONS
39
37
40
38
36
35
41
32
33
32 XLR Connector – Connects microphone to the transmitter module for signal input
33 Locking Ring – Locks microphone to the transmitter
34 Optional Pouch – For lavalier bodypack operation (with beltclip and strap ring
for securing)
35 Gain Control Switch – Adjusts the input sensitivity (LO or HI)
36 Low Battery LED – Single flash (power on), lit steady (low battery)
37 Power Switch - Turns the power ON/STANDBY/OFF. In standby position, the
power is on and the audio is off.
38 Phantom Power ON/OFF Switch – Turns the phantom power ON/OFF
39 Battery Compartment
40 Release Button – Press to release XLR connector
41 9V Alkaline Battery
OPERATION
Optional Pouch
34
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