Alto Professional Stealth Wireless Microphone, Black

Package Includes Stealth Wireless Receivers (x2) Power supplies (x2) XLR cables (x2) M10 screws (x2) Machine screws (x2) Hook and loop strips (x2) User Guide Safety & Warranty Manual Product Features 2 x Single-channel receivers with one XLR output (per unit) Adds additional active loudspeakers to your Stealth Wireless System Specification: TRANSMITTER Type: Dual Channel Transmitter RF Frequency: 610 - 640 MHz Oscillation Type: PLL Preset Channels: 16 Channels (stereo） Frequency Response: 50 Hz ~ 17 kHz / 3dB Bandwidth: 24 MHz or 30MHz Frequency Stability: 0.005% Frequency Deviation: 20 kHz LED Indicators: Power On/Off, Sig/Clip Power External Adaptor, 12 VDC/300 mA Output Power: ＜10 mW Controls: Power Switch; Channel Select; Mono/Stereo Switch Dimensions: 6.32 x 5 x 4 inches (with antennae) Weight: 10.2 ounces (290 grams) RECEIVER Type: Single Channel Receiver Preset Channels: 16 Channels RF Frequency: 610 - 640 MHz S/N Ratio: ＞100 dB/A RF Sensitivity: -100 dBm Image Rejection: ＞70 dB T.H.D.: ＜ 0.5％ ﹫1kHz LED Indicator: Power On, RF/AF LED Indicator AF output Impedance: 660Ω balanced Squelch: 3-step & Pilot Tone Operation Voltage: 12 VDC，300 mA Dimensions: 4.58 x 2.74 x 1.24 inches (with antennae Weight (each): 4.15 ounces (117.7 grams)