The Voice Technologies VT Duplex 500 has a perfectly intelligible and neutral voice reproduction that is made possible by the high-end omnidirectional capsule used. Thanks to injection moulding, the microphone housing is extremely robust, shockproof and RF-protected. The omnidirectional characteristic of the is particularly well suited to reliably reproducing the user's voice in any situation. The VT Duplex 500 has many tried and tested design features. The interchangeable headband holder is available in two sizes and is therefore equally suitable for adults and children. It is comfortable to wear and can be optimally adapted to the wearer's build. The shape of the ear hooks has been carefully developed. They surround the ear and ensure a high level of comfort. The material used also minimises any background noise, such as that which can occur when wearing earbuds. The microphone boom can be attached on either the left or right side. The popular VT500 sound combined with a firm hold and unique wearing comfort make the VT Duplex 500 the first choice for stage, broadcast, presentations and speakers. The cable is detachable and can be supplied with the appropriate plugs for standard wireless systems. VT 500 Duplex features Omnidirectional characteristic (picks up equally from all sides, neutral voice reproduction without proximity effect) RF protected microphone capsule Cable with screw thread for quick & easy switching between different wireless systems A ring on the microphone boom ensures that the microphone capsule remains dry Headband available in two sizes (L/XL or S/M), size L/XL is supplied as standard Microphone boom can be mounted on both sides Incl. DH Distance Holder, a spacer (3 possible positions) that prevents contact noise Selectable plug for connection to common wireless systems & recorders Operation via an XLR connection with 48V phantom power is easily possible with the optional VT1126 adapter series Incl. windscreen, DH Distance Holder, Case4 Also available as VT DUPLEX 500 KIT incl. L/XL & S/M headband VT 500 Specifications Capsule type Electret condenser Polar pattern Omni Frequency range 40Hz-20kHz Sensitivity -59dB ±3dB re 1V/microbar (1.1mV/Pa) Noise level 26dB "A" weighted (1.1mV/Pa) Max. input SPL 118dB Impedance 3 kOhm Current drain 25 μA Bias/+VDC 1.3V (0.9-20V) Dimensions (capsule) 13x7x3.5mm Cable Length 1.15m (45") Ø 1.9mm Weight 8g (16g incl. cable) Red +VDC Blue NF Copper Ground