Garmin
AIRMAR® M265LH
£2,269.99
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010-12380-20
The Garmin M265LH is the in-hull version of the B265LH: a 1 kW dual-band CHIRP transducer (42-65 and 130-210 kHz) that mounts in a tank inside a solid fibreglass hull. It sounds to 3,000 ft and works with a built-in 1 kW CHIRP sounder or a GSD 26 / GSD 25 module.
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Collection or delivery in 1-2 weeks
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Garmin M265LH is the in-hull version of the B265LH high-power CHIRP transducer. It installs into the supplied tank, cut to the hull deadrise and bonded inside the hull, and transmits sonar directly through solid fibreglass, so there is no hole to drill, no drag and no exposure to marine growth. The 8-element broadband array sweeps a 42 to 65 kHz low band and a 130 to 210 kHz high band, for 103 kHz of total bandwidth from one transducer.
With 1 kW of transmit power the low band sounds to 3,000 ft and the high band to 1,000 ft, while the narrow beam at both frequencies keeps image detail sharp. The in-hull tank suits solid fibreglass hulls only, up to 30 degrees deadrise, and can be used with inboard, I/O, outboard or jet-drive boats. The in-hull configuration reads depth only. The M265LH runs on Garmin chartplotters with a built-in 1 kW CHIRP sounder, or through the Garmin GSD 26 or GSD 25 sonar module.
PRODUCT DETAILS
- In-hull broadband CHIRP transducer, dual 42-65 kHz (low) and 130-210 kHz (high) bands
- 1 kW of transmit power with 103 kHz of total bandwidth from an 8-element ceramic array
- Installs into the supplied tank bonded inside the hull, so no hole is drilled and there is no drag or marine growth
- Narrow beam at both frequencies provides crisp image detail to 3,000 ft
- For solid fibreglass hulls only, up to 30 deg deadrise
- Depth only (no water-temperature sensor in the in-hull configuration)
- Runs on Garmin units with a built-in 1 kW CHIRP sounder, or via the GSD 26 or GSD 25 sonar module
- M265LH transducer with 39 ft (12 m) cable
- Mounting tank
- Installation instructions
No exploded diagram available for this product.
No compatible transducers listed for this product.
No spares or accessories listed for this product.
Sonar
| Sonar type | Broadband CHIRP, dual-band Low and High (in-hull, depth only) |
| Frequency – Low band | 42 to 65 kHz |
| Frequency – High band | 130 to 210 kHz |
| Total bandwidth | 103 kHz from one transducer |
| Transmit power | 1 kW |
| Maximum depth | 3,000 ft (914 m). Low band to 914 m (3,000 ft); high band to 304 m (1,000 ft) |
Beam
| Beamwidth – Low band | 25 to 16 degrees |
| Beamwidth – High band | 10 to 6 degrees |
Mounting
| Mount type | In-hull (tank mount). Installs into the supplied tank cut to the hull deadrise and bonded inside the hull; sounds through solid fibreglass with no hole drilled |
| Hull suitability | Solid fibreglass hulls only (stepped, planing or displacement). Not for cored hulls. Hull deadrise up to 30 degrees |
| Engine suitability | Single or twin inboard, I/O, outboard and jet-drive propulsion |
Physical
| Housing material | Plastic / urethane transducer housing with urethane acoustic window, in a plastic mounting tank |
| Element configuration | 8 internal broadband ceramic assemblies |
| Weight | 5.2 kg (11.5 lb) |
| Temperature sensor | No – depth only (in-hull installation) |
Connectivity
| Connector | 12-pin Garmin (Mix-and-Match) on this Garmin part number; legacy bare-wire versions also exist |
| Cable length | 39 ft (12 m) |
Compatibility
| Compatible sounders | Works with Garmin chartplotters that have a built-in 1 kW CHIRP sounder (GPSMAP xsv series), or via the Garmin GSD 26 or GSD 25 sonar module. Listed under Garmin GSD 26 CHIRP transducers. |
General
| In the box | M265LH transducer with 39 ft (12 m) cable, mounting tank and installation instructions |
No videos available for this product.
How is the M265LH installed?
It is an in-hull transducer. It mounts in the supplied tank, cut to the hull deadrise and bonded inside the hull, and sounds through solid fibreglass, so no hole is drilled. It suits solid fibreglass hulls only, up to 30 degrees deadrise.
How does the M265LH differ from the B265LH?
They share the same 8-element CHIRP array, 42-65 and 130-210 kHz bands and 1 kW power. The M265LH is the in-hull (tank-mount) version, while the B265LH is a bronze external thru-hull. The in-hull M265LH reads depth only.
Does the M265LH need a separate sonar module?
Not necessarily. It runs directly on Garmin chartplotters that have a built-in 1 kW CHIRP sounder, such as the GPSMAP xsv series. Where there is no built-in 1 kW sounder it can be driven by the Garmin GSD 26 or GSD 25 sonar module.
Does the M265LH read water temperature?
No. In its in-hull configuration the M265LH provides depth only and does not include a water-temperature sensor.
Can the M265LH be fitted to a cored hull?
No. In-hull transducers require a solid fibreglass hull to transmit through. The M265LH must not be installed in cored hulls.
