The ULXS14/83 Wireless system is great for sound reproduction. The W184 Omnidirectional Lavalier Mic blocks outside noises so you don't get sound interference, all while the microphone is light weight and low profile.
Features:
WL183 Microphone:
Type: Condenser (electret bias)
Frequency Response: 50 to 17,000 Hz
Output Impedance: 1800 ohms
Sensitivity (1 Pa = 94 dB SPL): WL183: -40.0 dBV/Pa
Maximum Sound Pressure Level: WL183: 125.0 dB SPL
Output Noise (A-weighted): WL183: 22.5 dB SPL
Dynamic Range: 102.5 dB
Polarity: Positive pressure on diaphragm produces positive voltage on pins 3 and 4 relative to pin 1.
Power Requirements: Regulated nominal +5 Vdc (1.5 Vdc to 10 Vdc) provided at microphone connector pin 2 relative to pin 1 of a Shure wireless microphone transmitter.
ULX1
Three-segment battery fuel gauge
Frequency and power lockout
Flexible 1/4 wave antenna
TA4F mini four-pin input connector
Backlit LCD display shows group and channel setting
Adjustable audio gain control
Input attenuation switch (selects 0 dB or -20 dB attenuation)
PEAK icon appears when audio input overloads the transmitter
Power on/off switch
8 hour battery life (9V battery)
300 foot (100m) operating range
ULXS4
Automatic Frequency Selection with group scan function
Up to 1440 selectable frequencies
5-segment transmitted audio signal strength meter
RF indicator
3-segment transmitter battery fuel gauge
Advanced multi-function LCD displays group and channel