Features:

Multi-Source Audio Signal Mixing Ability
Control Audio Levels from External Devices
Mixer Receiver System for Convenient Sound Level Adjustment
Includes Handheld Wireless Microphones
Dual Fixed Frequency System Design
Adjustable Rotary Controls Echo, Tone, Volume: Mic 1, Mic 2
Features Wired Microphone Support
(2) 1/4'' -inch Mic Inputs
AUX Audio (3.5mm) Input Jack
RCA Audio (L/R) Input/Output Jacks
Rear Panel 1/4'' -inch Mixed Output
Adjustable Antennas for Extended Wireless Range
Rugged Microphone Construction & Steel Mesh Grill
Convenient ON/OFF Power Switch
Ultra-Wide Frequency Range
Built-in Acoustic Pop Filter
Ideal for Karaoke, DJ Sound & House Party Audio

What's in the Box:
Audio Mixer Receiver
(2) Handheld Microphones
1/4'' Audio Cable
(2) RCA (L/R) Audio Cables
Audio (3.5mm) Cable
Wall Power Adapter
(4) 'AA' Batteries

Technical Specs:
Microphone System: UHF Fixed Frequency
Wireless Operation Range: Up to 165'+ ft.
Mic Element: Dynamic
Oscillation Mode: PLL
T.H.D: 80dB
Spurious Emission: >40dB
Maximum Deviation: +/-55Khz
Audio Dynamic Range: >100dB
Frequency Response: 80-20kHz (+/-3dB)
LINE input sensitivity: 380mV/-8.5dB
MIC input sensitivity: 5mV/-46dB
LINE input impedance: 20KΩ
MIC input impedance:50KΩ
Battery Operated Mic, Requires (2) 'AA' Batteries Each
Power: 110/220V (12V Power Adapter)
Microphone Dimensions (L x D) 9.6'' x 1.4'' -inches (Each)
Base Receiver Dimensions (L x W x H): 6.7'' x 4.4'' x 1.3'' -inches