Sennheiser SK 6212 A1-A4

Sennheiser SK 6212 is an ultra-compact digital transmitter, ideal for musical performances, theatre, or broadcast applications. With a metal housing resistant to water and sweat and an interchangeable battery providing up to 12 hours of continuous operation, it ensures reliable performance even in the most demanding RF conditions. Its lightweight (112 g) and ergonomic design make it easy to wear and discreet. Compatible with lavalier and headset microphones, the SK 6212 delivers clear sound and efficient transmission without intermodulation.

• Frequency band: A1-A4 (470 - 516 MHz)
• Does not include battery (BA-62)
• Compact design with optimised ergonomic construction (63 x 47 x 20 mm)
• Designed to provide up to 12 hours of continuous operation
• Made from a lightweight and robust metal housing, weighing only 112 grams
• Link Density (LD) mode with SePAC audio codec optimised for efficiency, allows up to 5 channels per MHz
• Exceptional sound and extended dynamic range thanks to Sennheiser's digital audio codec (SeDAC) and long-range mode, used in the Digital 9000 series
• Moisture and sweat resistant
• Two detachable clips (0°/90°) for secure mounting in any position
• Antennas and battery can be replaced (battery not included)
• Compatible with a variety of lavalier and headset microphones

Technical specifications:

• Modulation scheme
  • Digital modulation
  • Long Range (LR) mode
  • Link Density (LD) mode
• Audio codec:
  • LR mode: SeDAC (Sennheiser Digital Audio Codec)
  • LD mode: SePAC (Sennheiser Performance Audio Codec)
• Switching bandwidth: up to 88 MHz
• Frequency stability: < 5 ppm
• Tuneability: Steps of 25 kHz
• Adjustable lower cut-off frequency (-3 dB):
  • 30 Hz
  • 60 Hz
  • 80 Hz
  • 100 Hz
  • 120 Hz
• RF output power:
  • Standard LR: 15 mW RMS
  • Low LR: 3.5 mW RMS
  • LD: 3.5 mW RMS
• Audio frequency response
  • LR: 30 Hz to 20 kHz (3 dB)
  • LD: 30 Hz to 14 kHz (3 dB)
• Audio gain: can be set in 3 dB steps, from -6 dB to +42 dB
• Microphone/instrument input: 3-pin audio connector
• THD (total harmonic distortion): typical 0.002%
• SNR (signal-to-noise ratio): typical 113 dB(A)
• Encryption: AES 256
• Antenna output: Coaxial cable
• Operating time: up to 12 hours at 25 °C (with BA 62 battery, not included)
• Dimensions (L × W × H): 63 x 47 x 25 mm
• Weight: approx. 112 g (with BA 62 battery and belt clip - battery not included)

Included accessories:

• Antenna
• Vertical clip
• Horizontal clip