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Sennheiser's SpeechLine Digital Wireless SL Handheld 865 DW-4-US is a wireless handheld transmitter with a supercardioid MME 865 microphone capsule. Meetings, conferences etc. It can be combined with a receiver (sold separately) to capture conversations at presentations or lectures.
The
transmitter does not require any modification. The automatic frequency and interference control function is simple and reliable. LCD display gives connection name, battery status and welcome information.
Also, the ergonomic mute slide switch on the transmitter makes the microphone very easy to use. The SL Handheld Microphone Transmitter has a rechargeable battery that can operate for up to 15 hours. There's also a carrying bag.
Finally, the Sennheiser Control Cockpit software (download) provides easy operation, control and maintenance of wireless digital systems. It provides an overview of all network-enabled devices, displays all status information and makes configuration a breeze.
Handheld Transmitter
| RF Output Power | Adaptive, up to 250 mW (country-specific) |
| Frequency Response | 50 Hz to 20 kHz |
| Total Harmonic Distortion (THD) | Typical 0.1% |
| Input Sensitivity | Automatic sensitivity adjustment |
| Sampling Rate | 24-bit/48 kHz |
| Signal to Noise Ratio | > 90 dBA |
| Encryption | AES 256 |
| Frequency Range | USA: 1,920 to 1,930 MHz |
| Modulation | GFSK with back channel |
| Transmission Method | TDMA, space diversity |
| Latency | 19 ms |
| Power Supply | Accupack: BA10 (Li-Ion, 3.7 V) Batteries: 2 x AA size battery (1.5 V) |
| Operating Time | Accupack: Typical 15 hours Batteries: Typical 10 hours |
| Display | LCD |
| Mute Switch | Yes |
| Dimensions | 9.02 x 1.99" (272.4 x 50.5 mm) (w/ capsule) |
| Weight | 9.2 oz (262 g) with capsule (w/o Accupack) |
Microphone
| Type | Pre-polarized condenser microphone |
| Sensitivity | 1.6 mV/Pa |
| Pickup Pattern | Supercardioid |
| Maximum SPL | 152 dB SPL |
Packaging Info
| Package Weight | 1.2 lb |
| Box Dimensions (LxWxH) | 14.15 x 3.35 x 2.95" |
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