The Humminbird XM 9 HW MDI Mega Down 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, rugged composite design, impact-release mounting bracket and 20 ft cable.

• Compatible with the following Humminbird products: HELIX 8 G3N Series MEGA DI and MEGA SI+
• Compatible with the following Humminbird products: HELIX 10 G3N MEGA DI and MEGA SI+, HELIX 12 G3N MEGA DI and MEGA SI+
• Dual Spectrum CHIRP Frequencies: Full: 150-220 kHz, Narrow: 180-240 kHz, Wide: 140-200 kHz
• Dual Spectrum CHIRP Max Depth: 1200ft (365m)
• Down Imaging Frequencies - Max Depth: 455kHz: 440-500 kHz - 400ft (122m), 800kHz: 790-850 kHz - 125ft (38m), MEGA DI+: 1075-1150 kHz - 200ft (61m)