Overall system performance

Frequency Response: 100Hz-8kHz(+-)3dB
Signal to Noise Ratio: 41dB
Total Harmonic Distortion: <0.5%
RF Carrier Frequencies: Eight channels between
72-76 MHz. Channel AA:72.1   BB:72.3, CC: 72.5, DD:72.7,  EE:72.9,  FF:75.5,  GG:75.7, HH:75.9
Frequency Stability: better than .0005%
Modulation: FM(+-)75kHz max
operating Range: up to 300 feet line-of-sight

ALS-6 TRANSMITTER(1 piece)
Mic input: Connector:1/4'' phone jack. impedance:unbalanced,with 12V DC at 1mA for condenser mic.
Line input:Connector:1/4'' phone jack impedance:100K, unbalanced
Power Output: 15Bm
Controls: Power on/off, audio input gain adjust
Indicators: Power on LED, audio modulation LED
Antenna: permanently mounted telescoping whip
Power Requirement: 12V DC, regulated@300mA, adapter provided
Dimensions: 1.25''H x 8.25''W x 4.25''D
Weight: 2 3/5lb

ALS-BP receiver(6 pieces)
Controls: Separate volume& on-off controls
Audio output: 109 mW max into 10 ohms
Connectors: 3.5mm mini jack for earphone output
Earphones: Mini binaural earbuds
Antenna: integral with earphone cord
Indicators: LED power on indicator
Sensitivity: 3��V for 12dB sinad with squelch defeated. squelches at 10��V for min. 50 dB S-N ratio
Mute threshold: 5-8��V
Power requirement: 9V alkaline
Battery life: 17-20 hours w/alkaline battery
Dimensions: 3.35''H, 2.75''W x.75''D
Weight: 2.65 oz.w/out battery