Azden APS-25-VH2/A3-A4 Dual-Channel VHF Wireless Speaker System • Four-channel mixer allows mixture of two wireless mics, one wired mic and one line level input • 20-watt amplifier produces clear detailed sound • 5 1/4'' shielded woofer and 1'' wide-dispersion tweeter • Utilizes VHF frequency A3-171.045MHz and A4-171.905MHz • Compatible with UHF, VHF or Infrared wireless microphone modules • Frequency response: 65Hz-18kHz • Master volume and tone control • Independent volume controls for each channel • High-impact injection molded ABS case powered speaker • Variable line-level output allows use of multiple speakers • Wall or stand mounting options • Includes wall-mount bracket and AC cord