ITC T-511C Condenser tabletop microphone, power supply by phantom power, Operating Voltage: 11~52V, Sensitivity: -47dB±3dB, Frequency: 60~15000Hz, Output Impedance: ≤ 200 Ω, Element: Φ 9.7 Style Of Capacitance, Polar Pattern: Heart-shape.

ITC T-531A UHF single channel wireless microphone with segment LCD display, 1 handheld mic, Frequency Range: UHF 640-857MHz,Two bands total, Modulation: Broadband FM, Adjustable range: 25MHz, Channel Number: 600, Channel Spacing: 250KHz, Dynamic Range: 100dB, Frequency Response: 60-18KHz (±3dB), THD: ≤0.5%.

ITC T-531B Wireless Microphone (Single channel wireless microphone with UHF band LCD display), one Lavalier Mic, Frequency Range: UHF 640-857MHz (Two bands total), Modulation: Broadband FM, Adjustable range: 25MHz, Channel Number: 600, Channel Spacing: 250KHz, Frequency Stability: Within ±0.005%, Dynamic Range: 100dB, Maximum Deviation: ±45KHz, Frequency Response: 60-18KHz (±3dB), Comprehensive SNR: >115dB, THD: ≤0.5%.

ITC T-531C UHF single channel wireless microphone with segment LCD display, one headset mic, Frequency Range: UHF 640-857MHz,Two bands total, Modulation: Broadband FM, Adjustable range: 25MHz, Channel Number: 600, Channel Spacing: 250KHz, Frequency Stability: Within ±0.005%, Dynamic Range: 100dB, Maximum Deviation: ±45KHz, Frequency Response: 60-18KHz (±3dB), Comprehensive SNR: >115dB, THD: ≤0.5%, Operating Distance: 100 meters in the clearing.