Sennheiser SR 3256 A Dual-Stereo IEM

Sennheiser SR 3256 A Dual-Stereo IEM is designed to deliver exceptional performance and quality, ideal for professional and personal use.

Sennheiser SR 3256 A Dual-Stereo IEM Transmitter
The SR 3256 twin stereo transmitter is designed for professional wireless monitoring applications. 32 transmission frequencies, 16 of which are tunable in steps of 5 kHz, give the highest flexibility. A switching bandwidth of 36 MHz per transmitter and the efficient Sennheiser HDX noise reduction system ensure reliable, high-quality signal transmission. Its rugged housing with clear, user-friendly menu control make this transmitter the ideal partner for major stage shows and tours.
Specifications:
- RF characteristics
- Frequency ranges: 518–554, 626–662, 740–776, 786–822, 830–866 MHz
- Transmission frequencies:
  - 1 channel bank with up to 16 factory-preset channels
  - 1 channel bank with up to 16 freely selectable channels (frequencies tunable in steps of 5 kHz)
- Switching bandwidth: 36 MHz
- Frequency stability: ±10 ppm (-10°C to +55°C)
- Antenna output BNC: socket, 50 Ω
- RF output power: max. 100 mW
- AF characteristics
  - Modulation: FM stereo working on the pilot tone principle
  - Noise reduction system: Sennheiser HDX
  - Nominal/peak deviation: ±24 kHz / ±48 kHz
  - MPX pilot tone(frequency/deviation: 19 kHz / ±5 kHz
  - AF frequency response: 40–15,000 Hz
  - Headphone output: ¼“ (6.35 mm) stereo jack socket, ≥ 200 mW/32 Ω
  - Load impedance of headphone output: ≥ 16 Ω
  - AF input 2 x XLR-3, electronically balanced
  - AF input voltage (at nom. deviation) +4 dBu at 1 kHz, internally adjustable
  - Signal-to-noise ratio > 90 dB(A)rms(refers to overall link with EK 3253)
  - THD(at 1 kHz and nominal deviation): < 0.9 %
- Overall unit
  - Power supply: 115/230 V AC +10% / –15%
  - Power consumption SR 3254: max. 13 W
  - Power consumption SR 3256: max. 23 W
  - Dimensions(without rack mount “ear: 436 x 228 x 43 mm (19″, 1 U)
  - Weight SR 3254: approx. 3,300 g
  - Weight SR 3256: approx. 4,000 g
  - Type approval:
    - USA: FCC-Part 74.861, FCC ID: DMOSREK3K
    - Canada: RSS-123, IC: 2099A-SREK3K
    - EU: ETSI EN 300 454-1/-2, CE 0682!