Listen Technologies LP-39-072 Intelligent DSP RF Receiver with 4x LR-4200-072 DSP RF Receiver (72 MHz), 4x LA-401 Ear Speaker

< 2% total harmonic distortion (THD) at 80% deviation

Two (2) 0.14" (3.5mm) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm

50 Hz - 15 kHz ( +/-3 dB)

SQ enabled 80 dB, SQ disabled 60 dB

Power, up/down volume

Via software and USB port

Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel

Flashes when batteries are low or to indicate charging, solid when fully charged

Channel designation, battery level, unit number, charging status

72.0250 - 75.9500 MHz

17 wide band, 40 narrow band

.6uV typical, 1 uV maximum for 12 dB sinad

+/- .005% stability 32 to 122 Degree F (0 to 50 Degree C)

Programmable in 20 steps, automatic on loss of RF signal

Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable

Micro USB connector, 5 V, 500 mA

Lithium Ion 3.7 Vdc, 1200 mAh

8 Hours of continuous use

Fully charged in 2.5 Hours

14 to 104 Degree F (-10 to 40 Degree C)

-4 to 122 Degree F (-20 to 50 Degree C)

0 to 95% relative humidity, non-condensing

FCC Part 15, Part 90, Industry Canada, RoHS

LT-800-072-01, LT-700-072

Black

Without Belt Clip: 3.75 x 2.00 x 0.64" (9.6 x 5 x 1.7cm)
With Belt Clip: 3.75 x 2.00 x 0.80" (9.6 x 5.0 x 2.1cm)

1.60 oz (45g)