Sound quality is paramount — without a good microphone, the U9 would be worthless. Thus Xvive refused to compromise when designing the system’s ultra-high-quality supercardioid gooseneck microphone. It’s perfectly voiced for violin and viola, and with a max SPL of 142 dB and a sensitivity of -45 dB, you’ll hear the natural sound of your instrument wherever you go. Xvive has built its name on wireless and understands the importance of reliable performance and top-level fidelity. The U8 system uses the 2.4 GHz band, with 6 selectable channels, ensuring you have options if you encounter interference. Its wireless range is up to 27 meters. The Xvive U9 set comes with a strong and sturdy clip that attaches the transmitter and gooseneck microphone to the body of your violin or viola. The gooseneck microphone is designed to be adjustable, allowing you to position it as desired to get the sound that best captures the tone of your instrument. Charge the transmitter and receiver simultaneously using the dual USB-C cable and any 5V 2A USB power supply. Charging for two and a half hours gives you 5 hours of playtime; 1.25 hours gives you 2 hours of playtime, and 30 minutes of charging gives you 1 hour. This Xvive U8 system includes a foam windscreen to filter out wind noise! The U9 set includes a Carry Case, Microphone, Transmitter, Receiver, Dual USB-C Charging Cable, Clip, Windscreen, Windshield and Manual. Warranty: 12 Months Features 2.4 GHz wireless system with a 142 dB SPL supercardioid microphone High-resolution 24-bit/48 kHz audio, less than 5 ms latency 20 Hz – 20 kHz frequency response Dynamic range of 108 dB, signal-to-noise ratio of 108 dB Up to 5 hours of battery life 6 wireless channels Wireless range: up to 90 feet (27 m) Includes transmitter, receiver, microphone, clip, USB-C cable, foam windscreen and fur windshield, carry case Specifications Microphone Specifications TYPE Supercardioid DIMENSIONS 20 mm x 28 mm x 190 mm WEIGHT 35 g OUTPUT 1/8” balanced male TRS (Tip = +3.3V, Ring = -3.3V, Sleeve = ground) SENSITIVITY -45 dB MAX. SPL 142 dB Wireless System Specifications TUNING BANDWIDTH 2400 – 2483.5 MHz WORKING RANGE 90 ft (indoors) 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% RF OUTPUT POWER 10 mW E.I.R.P. max OPERATING TEMPERATURE RANGE 0°C to 45°C CHANNEL COUNT 6 CHARGING VOLTAGE / CURRENT 5V / 2A BIT DEPTH / SAMPLE RATE 24-bit / 48 kHz LATENCY less than 5 ms Transmitter Specifications DIMENSIONS 40 mm x 29 mm x 50 mm WEIGHT 35 g AUDIO INPUT CONNECTOR 1/8” balanced TRS female MAXIMUM INPUT LEVEL 3.7 Vp-p PHANTOM POWER ± 3.3V USB TYPE USB Type-C ANTENNA IMPEDANCE 50 Ω ANTENNA TYPE 1/4 wave sleeve dipole, non-removable NUMBER OF ANTENNAS 1 Receiver Specifications DIMENSIONS 31 mm x 29 mm x 98 mm WEIGHT 92 g OUTPUT IMPEDANCE 470 Ω (1 kHz) OUTPUT CONNECTOR XLR balanced male MAXIMUM OUTPUT LEVEL 3.6 Vp-p USB TYPE USB Type-C ANTENNA IMPEDANCE 50 Ω ANTENNA TYPE 1/4 wave sleeve dipole, non-removable NUMBER OF ANTENNAS 2 More Info Get more information from the Xvive site