The Humminbird XM 9 HW MSI Mega Side Imaging Plus Transom Mount Transducer supports Mega Imaging+, 800kHz, 455kHz, and Dual Spectrum Chirp 2D Sonar with a Chirp range of 150-220kHz. It also includes a built-in temperature sensor, all metal bracket and 20 ft cable.

• Compatible with the following Humminbird products: HELIX 8 CHIRP MEGA SI+ GPS G3N, HELIX 9 CHIRP MEGA SI+ GPS G3N
• Compatible with the following Humminbird products: HELIX 10 CHIRP MEGA SI+ GPS G3N, HELIX 12 CHIRP MEGA SI+ GPS G3N
• Dual Spectrum CHIRP Frequencies: Full: 150-220 kHz, Narrow: 180-240 kHz, Wide: 140-200 kHz
• Dual Spectrum CHIRP Max Depth: 1200ft (365m)
• MEGA Side Imaging+ Frequencies - Max Range (side-to-side): 455kHz: 440-500 kHz - 800ft, 800kHz: 790-850 kHz - 250ft, MEGA SI+: 1075-1150 kHz - 400ft
• MEGA Down Imaging+ Frequencies - Max Depth: 455kHz: 440-500 kHz - 400ft, 800kHz: 790-850 kHz - 125ft, MEGA DI+: 1075-1150 kHz - 200ft