Appliction:
Suitable For HELIX 7 CHIRP MEGA DI GPS G3, for HELIX 7 CHIRP MEGA DI GPS G3N, for HELIX 7 CHIRP MDI GPS G4, for HELIX 7 MDI GPS G4N, for HELIX 8 CHIRP MEGA DI GPS G3N, for HELIX 8 CHIRP MEGA DI GPS G4N.

Function:
Fits for Helix 7/8 CHIRP MEGA DI GPS G3 G3N G4 G4N models.  It will provide the sharpest image the unit is capable of.

Advantage:
This XNT 9 HW MDI 75 T transducer offers a CHIRP range of 150-220kHz and a max depth of 1200ft (365m).  Ideal to maintain depth and bottom at higher speeds.

Dual Spectrum CHIRP Frequencies:
Full: 150-220 kHz,
Narrow: 180-240 kHz,
Wide: 140-200 kHz Dual Spectrum CHIRP Max Depth -- 1200ft (365m)

MEGA Down Imaging Frequencies:
Max Depth: 455kHz: 440-500 kHz - 350ft (107m),
MEGA DI: 1075-1150 kHz - 125ft (38m)

100% Satisfaction Guarantee:
Your satisfaction is our priority. We strive to give our customers excellent service. All our products support 60-Day money-back guarantee, 12-Month warranty for quality-related issues. Simply return it for your warranty.