TRANTEC S5.5-HC-C1E ไมค์ลอย
S5.5-HDX               S5.5-HCX
RF Carrier Power    Less than 50mW(Factory preset 10mW ERP)
Maximum Input Level    146dB SPL
(microphone sensitivity: Gain "0")    142dB SPL 
(microphone sensitivity: Gain "0")
Audio Frequency Response    60 Hz - 20 kHz    90 Hz - 20 kHz
Dynamic Range    110 dB or more (with S5.5-RX)
Battery    LR6 (Single AA)
Battery Life    10 hours (Alkaline)
Indicator    LCD display, Power lamp
Function    Mute switch, Infra-Red link port, Battery life indicator (4 steps), Microphone sensitivity adjustment (Gain 0-2; 12dB)
Dimensions    Ø50 x 247.9 mm (Ø1.97" x 9.76")    Ø50 x 232.9 mm (Ø1.97" x 9.76")
Weight    380g (0.84lb) (with battery)    300g (0.84lb) (with battery)