Wireless Headset Microphone Systems

Enhance your presentations or performances with the Electro-Voice R300-E/E CH70 Headworn Wireless Microphone System. This robust UHF system includes the BP-300 metal bodypack transmitter, powered by two AA batteries, and the comfortable double-ear hook HM3 headworn microphone for hands-free convenience. The dual antenna diversity of the receiver prevents signal dropouts, and its durable metal chassis can be used on a tabletop or rack-mounted. The system offers features like ClearScan for finding the clearest channel, EZsync for easy channel setup, and a 14-hour battery life for uninterrupted performances.Key Features:- ClearScan for automatic channel selection- EZsync one-step channel setup- HM3 omni-directional microphone- 14-hour battery life from two AA alkaline batteries- Rugged metal transmitter and receiver chassis with optional rack mountProduct Specifications R300 Receiver Type: Synthesized PLL Frequency Range (RF): E Band 850 – 865 MHz Number of Channels: 32 Modulation: ± 40 kHz Diversity: True Antenna RF Sensitivity: <1.0 μV for 12 dB SINAD Image Rejection: > 55 dB Squelch: Tone Code plus Amplitude Power Requirements: 12–16 VDC, 500mA max Operating Temperature: 5°C to 45°C (41°F to 113°F) Dimensions: 43 mm H x 206 mm W x 210 mm D (1.72 in H x 7.8 in W x 8.0 in D) Audio Parameters Frequency Response: 80 Hz – 18 kHz ± 2 dB Balanced Output: 20 dBV (max @ 40 kHz deviation) Unbalanced Output: Adjustable 8 mV to 0.755V RMS Distortion: < 1.0%, 0.4% typical (ref 1 kHz, 40 kHz deviation) Signal-to-Noise Ratio: > 100 dB A-Weighted Dynamic Range: > 95 dB HM3 Generating Element: Condenser, back electret Frequency Response: 50 -20,000 Hz Polar Pattern: Omnidirectional Impedance: 200 ohms Sensitivity, Open Circuit Voltage, 1 kHz: 10.0 mV/pascal Cable length: 1 meter Polarity: Pin 1: Ground Pin 2: Mic Input Pin 3: +5V bias Pin 4: N/C Connector: TA4F Physical: Length: 180 mm (7.086 in) Width (widest): 105 mm (4.133 in) Width (narrowest): 15 mm (0.59 in) Finish: Semi-Gloss Black Net Weight: 28 g Shipping Weight: 40 g Accessories Furnished: Foam Windscreen

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Enhance your audio performance with the Electro-Voice RE3-BPHW-8M CH70+Duplex Gap Wireless Headmic System Headworn. This system includes the HW3 Supercardioid Headworn Microphone, RE3-BPT Bodypack Transmitter, and RE3-RX Diversity Receiver for a seamless wireless experience. The HW3 microphone produces crisp and natural sound with the supercardioid polar pattern providing excellent acoustic isolation and gain before feedback, perfect for voice performance, presentations, and athletic instruction. With quick and simple setup using the RE3 clear frequency scan and sync functions, you can enjoy a rock-solid system performance every time.The HW3 Supercardioid Headworn Microphone features a condenser supercardioid element that delivers acoustically-isolated, full-bodied sound. Its robust headband ensures a comfortable and secure fit, while the flexible gooseneck section allows for easy positioning. The microphone's vibration-absorbing shock-mounted head minimises handling noise, and the detachable cable makes storing and transporting simple and safe.The RE3-BPT Bodypack Transmitter comes in a robust metal body with selectable low and high output power options. It offers up to 36 MHz tuning bandwidth and features a sync function for easy frequency setup. The unique magnetic latch and lock design provide easy access to batteries for quick changes.The RE3-RX Diversity Receiver ensures reliable wireless connectivity with diversity reception to minimise dropouts. It offers frequency scanning for selecting open frequencies and a sync function that links the transmitter to the receiver for effortless setup. With up to 36 MHz tuning bandwidth for trouble-free operation and an easy-to-read LCD display.Specifications:- HW3 Supercardioid Headworn Microphone - Element type: Self-biased condenser - Frequency response: 30 Hz - 18 kHz - Polar pattern: Supercardioid - Sensitivity: 0.5 mV/Pascal (-47 dBV/PA) - Maximum SPL: 130 dB SPL - Impedance: 1Product Specifications HW3 Supercardioid Headworn Microphone Element type: Self-biased condenser Frequency response: 30 Hz - 18 kHz Polar pattern: Supercardioid Sensitivity: open circuit voltage. 1 kHz: 0.5 mV/Pascal (-47 dBV/PA) Maximum SPL: 130 dB SPL Impedance: 1000 ohms Power requirements: 3-9 VDC Polarity: Positive pressure on diaphragm produces positive voltage at pin 2 relative to pin 1 Electrical contact pinouts: Pin #1 - Ground, shield Pin #2 - Audio Pin #3 - Bias voltage Pin #4 - N/C Dimensions (cable length) : 45.28" (1150 mm) Dimensions (boom length) : 5.83" (148 mm) Net weight: 1.35 oz (38.4 g) Shipping weight: 5.93 oz (168 g) Microphone connector: 4-pin mini plug Head finish: Non-reflecting Black Material: Black stainless steel painted adjustable headband frame. Molded back facing connector joint with 2.5 mm jack for detachable cable, black textured PU. Black painted steel 100 mm x 4.5 mm flexible mic positing tube. Integrated black TPR mic shock mount. Clear soft silicone tubing at ear contact points. RE3-BPT Bodypack Transmitter Frequency oscillation mode: Phase-locked loop (PLL) Available band names, tuning bandwidths, and carrier frequency ranges: 5L: 36 MHz (488-524 MHz) 5H: 36 MHz (560-596 MHz) 6M: 10 MHz (653-663 MHz) 8M: (823-865 MHz)* T: 3 MHz (803-806 MHz) *8M is split into two segments: 823-832MHz: 9MHz 863-865MHz: 2MHz Sync frequency: Ultrasonic RF power output: Frequency band specific: 5L (488-524MHz): Low 10mW / High 50mW 5H (560-596MHz): Low 10mW / High 50mW 6M (653-663MHz): Low 10mW / High 20mW 8M (823-865MHz) 10mW T (803-806MHz): Low 10mW / High 50mW Display by: LCD + LED Function controls: Power, mute, group, channel, frequency, sensitivity adjustment, input level attenuation, RF power, auto off, key lock. RF stability: <±10kHz@Fc Modulation frequency shift: Wideband FM ±48kHz deviation Harmonic radiation: <-50dBc Input jack: 4-pin mini jack Battery: 2 x AA alkaline battery or NiMH rechargeable battery Charging contacts: Yes Finish: Black polyurethane paint Dimensions (without antenna): Height: 3.2 in. (81.5mm) Width: 2.54 in. (64.5mm) Depth: 0.98 in. (25mm) Net weight: 6.14 oz. (0.174 kg) Gross weight: 8.29 oz. (0.235 kg) RE3-RX Diversity Receiver Frequency oscillation mode: Phase-locked loop (PLL) Carrier frequency range: 470 - 865 MHz (tuning bandwidth is band dependent) Band names, tuning bandwidths, and carrier frequency ranges: 5L: 36 MHz (488-524 MHz) 5H: 36 MHz (560-596 MHz) 6M: 10 MHz (653-663 MHz) 8M: (823-865 MHz)* T: 3 MHz (803-806 MHz) * 8M is split into two segments: 823-832MHz: 9MHz 863-865MHz: 2MHz Sync frequency: Ultrasonic 40 kHz Diversity: Antenna diversity Bandwidth: 36MHz Signal/Noise ratio: >100dB(A) Total harmonic distortion (Thd): <0.6%@1kHz Receiving sensitivity: -81dBm for -12dB SINAD Frequency response: 63Hz~16kHz±2dB (BPT) 51Hz~16kHz±2dB (HHT) Antenna type: Detachable ½ wave with BNC connector Antenna booster power: DC12 - 15V/100mA Function display by: LCD Contents of display: Group, channel, frequency, antenna A/B, transmitter battery level, transmitter status (mute, live, or no sync), output level attenuation, AF indication, RF indication, key lock indicator. Control functions: Power, scan, frequency, group, channel, squelch, TX sensitivity, TX attenuation, TX RF power, TX auto off, TX key lock, TX display info, TX sync configuration, RX output volume, RX output level, RX antenna booster power, RX key lock, RX display contrast, RX display brightness, RX system reset. Sync data options: Frequency, group, channel, sensitivity level, attenuation status, RF power, auto off status, key lock status, transmitter display (freq or Gp/Ch) Audio frequency output level: Ref：±22.5kHz Dev@1kHz Tone ¼” (6.3mm) Phone Jack：-10dBV XLR Jack：-4dBV(Line)、-24dBV(MIC) Audio frequency output impedance: 240Ω (unbalanced) 1400Ω (balanced) Squelch and noise muting: Noise muting and tone code locking Output ports: 1 x balanced XLRM jack 1 x unbalanced ¼” TS (6.3mm) jack Power supply: DC12~15V/500mA Finish: Black polyurethane paint Dimensions: Width: 8.27 in. (210mm) Height: (with feet attached) 1.85 in. (47mm) Height: (without feet attached) 1.73 in. (44mm) Depth: (including antenna jack) 6.89 in. (175mm) Depth: (not including antenna jack) 6.1 in. (155mm) Net weight: 2.71 lb (1.23 kg) Gross weight: 3.28 lb (1.49 kg)

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