The R300-HD is a robust handheld UHF wireless system, suitable for any application where the convenience of a handheld transmitter is required. The HT-300 metal handheld transmitter is made to withstand the rigors of daily use while remaining comfortable and light-weight in your hand. The PL22 dynamic microphone is the perfect all-around microphone for singing, speaking engagements, and emcees. The cardioid pickup pattern rejects sounds from the surroundings, helps control audio feedback, and still allows an experienced vocalist to work the microphone. The receiver’s dual antenna diversity helps avoid signal dropouts, and its durable metal frame and chassis can either be used on a tabletop, or rack-mounted with optional rack mounting hardware
Specifications
| Receiver Type | Synthesized PLL |
| Frequency Range (RF) | A Band 618 – 634 MHz (Not Available in US or Canada) |
| B Band 678 – 694 MHz (Not Available in US or Canada) | |
| C Band 516 – 532 MHz | |
| E Band 850 – 865 MHz (Not Available in US or Canada) | |
| 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 |
| BP-300 and HT-300 Transmitter Specifications | |
| Radiated Output | 8 mW typical |
| Back Lit LCD Display | Channel, Frequency, Mute, and Battery Level |
| Microphone Head | Electro-Voice PL22 Cardioid Dynamic |
| Standard Lavalier Microphone | Electro-Voice ULM18 Uni-Directional Condenser |
| TA4F Connector Wiring | Pin 1 Ground; Pin 2 Mic Input; Pin 3 +5V bias; Pin 4 +5V thru 2.2k Ω |
| Power Requirement | Two AA batteries |
| Battery Life (Typical) | > 14 hours with AA alkaline typical |
| Bodypack Antenna | Flexible external 1/4 wave |
| Handheld Antenna | Internal proprietary |
| Dimensions (Bodypack) | 84 mm H x 66 mm W x 23 mm D (3.3 in H x 2.6 in W x 0.89 in D) |
| Dimensions (Handheld) | 26.7 cm (10.57 in) Long |
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