ชุดไมค์ลอยชัวร์แบบคาดศรีษะ ความถี่ใหม่ถูกต้องตามข้อกำหนดของ กสทช BLX14A/P31-Q12 (748-758 MHz) ในชุดประกอบด้วย เครื่องรับสัญญาณไมค์ลอย BLX4 1 เครื่อง, ไมโครโฟนคาดศรีษะ PGA31 1 ตัว, เครื่องส่งสัญญานแบบติดเอว Bodypack BLX1 1 เครื่อง
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ชุดไมค์ลอยชัวร์แบบคาดศรีษะ ความถี่ใหม่ถูกต้องตามข้อกำหนดของ กสทช BLX14A/P31-Q12 (748-758 MHz) ในชุดประกอบด้วย เครื่องรับสัญญาณไมค์ลอย BLX4 1 เครื่อง, ไมโครโฟนคาดศรีษะ PGA31 1 ตัว, เครื่องส่งสัญญานแบบติดเอว Bodypack BLX1 1 เครื่อง
The BLX14/P31 Headset Wireless Microphone System from Shure includes a BLX4 single-channel wireless receiver, a BLX1 bodypack transmitter, and a PGA31 headset mic. The system is set to Shure’s J10 frequency band and operates between 584 – 608 MHz.
The BLX1 bodypack transmitter has a 300′ line of sight operation range with the BLX4 receiver. It is powered by two included AA batteries that can provide up to 14 hours of operation. The BLX4 receiver features microprocessor-controlled internal antenna diversity that helps prevent interference and signal dropouts. Its one-touch QuickScan feature detects the most interference-free frequency and sets the channel to it for fast setup.
1 BLX1 เครื่องส่ง แบบ Bodypack 1 เครื่อง
BLX1 Bodypack Transmitter from Shure is designed for use with Shure’s BLX wireless systems. It is set to the M15 frequency band and operates between 662 and 686 MHz. It has a TQG input and can be used with Shure lavalier, headset, earset and instrument microphones. With the optional WA302 adapter cable, the BLX1 can be used as a transmitter for guitar.
The unit has a top panel mounted on/off switch as well as volume control for quick access while speaking or performing. The BLX1 is powered by the two included AA batteries for up to 14 hours.
2 BLX4 เครื่องรับ แบบ 1 แชนแนล 1 เครื่อง
BLX4 Wireless Receiver from Shure is a single-channel receiver set to Shure’s M15 frequency band and operates between 662 to 686 MHz. It has microprocessor-controlled internal antenna diversity for reduced signal interference and dropouts. The one-touch QuickScan frequency selection feature allows you to quickly locate the frequency with the least amount of interference available.
Its front-panel dual-color LED status indicator displays green for normal levels and red when clipping for fast metering. It has an XLR output in additional to an instrument level ¼” output. The BLX4 can be used with up to 11 other compatible systems simultaneously per frequency band.
3 PGA31 ไมโครโฟนคาดศรีษะ 1 ตัว
PGA31 Performance Headset Condenser Microphone from Shure is a wireframe headset cardioid condenser microphone that can be used for a variety of vocal, general speech, and performance applications. A windscreen is included.
BLX1 เครื่องส่ง แบบ Bodypack
Audio Input | Gain: -16 dBV (Maximum), 10 dBV (Minimum) |
Gain Adjustment Range | 26 dB |
Input Impedance | 1 MOhm |
RF Output | 10 mW, Typical |
Housing | Molded ABS |
Power Requirement | 2x LR6 AA Batteries, 1.5 V Alkaline |
Battery Life | Up to 14 Hours |
Dimensions (H x W x D) | 4.3 x 2.5 x 0.8″ (110 x 64 x 21 mm) |
Weight | 2.6 oz (75 g) |
Output | 1x XLR Output 1x 1/4″ (6.35 mm) Output |
Output Impedance | XLR: 200 ohms 1/4″: 50 ohms |
Audio Output Level | XLR Connector: -27 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone) 1/4″: -13 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone) |
RF Sensitivity | -105 dBm for 12 dB SINAD, Typical |
Image Rejection | >50 dB, Typical |
Housing | Molded ABS |
Power Requirement | 12 to 15 V DC @ 160 mA, Supplied by External Power Supply (Tip Positive) |
Dimensions (H x W x D) | 1.5 x 7.4 x 4.1″ (40 x 188 x 103 mm) |
Weight | 8.5 oz (241 g) |
PGA31 ไมโครโฟนคาดศรีษะ
Type | Electret condenser |
Frequency Response | 60 Hz to 20 kHz |
Polar Pattern | Cardioid |
Output Impedance | 600 Ω @ 1 kHz, typical |
Audio Output Level | -50 dBV/Pa |
Signal to Noise Ratio | 66 dB @ 1 kHz |
Maximum SPL | 145 dB, @ 1 kHz (1,000 Ω load) |
Dynamic Range | 117 dB, @ 1 kHz (1,000 Ω load) |
Output Noise | 28 dB, typical, A-weighted |
Power Requirements | +5 V DC (nominal), 10 V maximum (DC bias) |
Polarity | Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1 |
Cable | 50″ (1.3 m)) |
Connector | TA4F |
Weight | 1.59 oz (45 g) |