The Xvive U9 wireless system features a high-quality supercardioid gooseneck microphone, ideal for violin and viola. The user can adjust the microphone's position at will.

• Transmitter and receiver: Made from cast plastic and cast metal.
• Battery: Rechargeable lithium-ion batteries 3.7 V with 2.5 hours charging time and 5 hours usage duration.
• Bandwidth: 2400 – 2483.5 MHz.
• Operating range: 90 feet (indoors).
• Audio frequency response: 20 Hz – 20 kHz (-3dB).
• Dynamic range: 108 dB.
• Signal-to-noise ratio: 108 dB.
• RF sensitivity: -88 dBm.
• Total harmonic distortion: 0.2%.
• Charging capability: 5V / 2A.
• Microphone dimensions: 20 mm x 28 mm x 190 mm with a weight of 35 g.
• Microphone type: Supercardioid with sensitivity -45 dB and maximum SPL 142 dB.
• Transmitter dimensions: 40 mm x 29 mm x 50 mm with a weight of 35 g.
• Receiver dimensions: 31 mm x 29 mm x 98 mm with a weight of 92 g.