
Airmar
B175M – 1 kW thru-hull transducer
Part number B175M · 3 versions
Price on request
A multifunction display with a 13.3-inch (34 cm) Full HD touchscreen, MEGA Imaging+ and Dual Spectrum CHIRP sonar, internal GPS and networking ports.
Part number 411470-1 · 2 versions
Price on request
The APEX 13 MEGA SI+ from Humminbird's APEX series brings sonar, charts and control of connected equipment onto a 13.3-inch (34 cm) Full HD display (1920 × 1080). It works by touch or by keypad (CrossTouch), and views are arranged from the side menu.
It has MEGA Side Imaging+, MEGA Down Imaging+ and Dual Spectrum CHIRP sonar. A second sonar channel takes an extra 2D CHIRP transducer of up to 2 kW, and Airmar transducers are recognised automatically. With the supplied transducer 2D sonar reaches 1,200 ft (about 366 m), and with an optional Airmar CHIRP transducer 3,500 ft (about 1,067 m), which matters in the deeper water of the open Adriatic.
It has internal GPS and AutoChart Live, two Ethernet ports, NMEA 2000, HDMI in and out, Bluetooth and Wi-Fi. Through the One-Boat Network it works with Minn Kota motors and Talon and Raptor anchors, and it supports Humminbird CHIRP radar, autopilot and MEGA Live.
It comes with an XM 14 HW MSI T transom transducer or without one (CHO), for a boat that already has a transducer or uses MEGA sonar built into a Minn Kota motor. On its gimbal bracket it takes about 40 × 25 cm at the helm.
Add exactly the version you need to the enquiry list.
| Part number | Version | Transducer included | |
|---|---|---|---|
| 411470-1 | with XM 14 HW MSI T transducer | Yes | Enquire about this version On the enquiry list |
| 411470-1CHO | control head only (CHO) | No | Enquire about this version On the enquiry list |
| Display | 13.3" (34 cm) |
|---|---|
| Resolution | 1920 × 1080 pixels |
| Display type | colour TFT |
| Controls | touch and keypad (CrossTouch) |
| Sonar | Dual Spectrum CHIRP, MEGA Down Imaging+, MEGA Side Imaging+ |
| Frequencies | 50 / 83 / 200 / 455 / 800 kHz |
| Beam angles | 20° / 42° / 55° / 60° / 86° |
| 2D sonar depth (supplied transducer) | 366 m |
| 2D sonar depth (optional transducer) | 1,067 m |
| Down Imaging depth | 122 m |
| MEGA Down Imaging depth | 76 m |
| Side Imaging, side-to-side range | 244 m |
| MEGA Side Imaging, side-to-side range | 152 m |
| Transmit power (RMS) | 1,000 W |
| Transmit power (peak to peak) | 8,000 W |
| Internal GPS | Yes |
| Charts | Humminbird Basemap built in; Navionics cards |
| AutoChart Live | Yes |
| Waypoints, routes and tracks | 10,000 waypoints, 50 routes, 50 tracks of up to 20,000 points |
| Connectivity | 2 × Ethernet, NMEA 2000, HDMI in and out, Bluetooth, Wi-Fi |
| Card slot | two microSD |
| Supply voltage | 10.8–20 V |
| Current draw | 3.1 A |
| Mounting | gimbal bracket; in-dash with an optional kit |
| Width with bracket | 39.6 cm |
| Height with bracket | 25.1 cm |
| Depth with bracket | 12.4 cm |
| Weight | 3.76 kg |
| Works with | Minn Kota motors (i-Pilot Link, built-in MEGA SI and MEGA DI, US2 sonar), Talon and Raptor anchors, Humminbird CHIRP radar, autopilot, AIS, MEGA Live, MEGA 360, One-Boat Network |
Everything you need with it on the boat.

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Service
I install Humminbird units on boats and connect them to the Minn Kota motor.
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