Check the listing for details. Hisonic HS596B Dual Channel Wireless Microphone System. Condition: New. Listed at 89.99 USD. Hisonic HS596B wireless microphone set is a Luxury system that comes with many options that enable you do a lot things with one system. It comes with 2 Handheld Microphone that you can use it at Karaoke. The Two Body Pack transmitter let you use two Lavaliere microphone or two headset microphone. You can use it on the stage wear it easily. It gives versatile in combinations too. A super deluxe package with little money ! Note: This is a dual channel system, meaning you can only use any combination of 2 microphones at the same time. Features: *Receiving System: Fixed Frequency crystal-controlled; *Sensitivity: 10dB for 60dB S/ N; *Audio Output: 25K unbalanced: 0-0.5V/5K ohm, 15KHz deviation; *Output Connectors: 1 1/4" unbalanced output jack, 1 XLR balanced output jack; *Power Supply: 12V (Separate AC adaptor) *Specifications: *Operating Frequency: VHF high band, 230MHz to 280MHz; *Frequency Stability: 0.05%, crystal-controlled; *Modulation Mode: FM; *Audio Frequency Responses: 40Hz to 20KHz; *S/ N Ratio: > 90dB; *Image Rejection: