Garmin
AIRMAR® B265LH
£1,979.99
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010-12379-20
The Garmin B265LH is a 1 kW bronze thru-hull CHIRP transducer with dual 42-65 kHz and 130-210 kHz bands. Its 8-element array delivers crisp detail to 3,000 ft and works with a built-in 1 kW CHIRP sounder or a GSD 26 / GSD 25 module.
✓
Collection or delivery in 1-2 weeks
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Garmin B265LH is a 1 kW bronze thru-hull CHIRP transducer built around an 8-element broadband ceramic array. It sweeps a 42 to 65 kHz low band and a 130 to 210 kHz high band, giving 103 kHz of total bandwidth from one transducer. The CHIRP sweep returns precise target separation and clean bottom definition across that whole range, rather than relying on two fixed frequencies.
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 bronze housing installs as an external thru-hull with a High-Performance Fairing and suits fibreglass or wood hulls up to 20 degrees deadrise on boats of 8 m and above. An integral depth and fast-response temperature sensor is built in. The B265LH 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
- Bronze thru-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
- Narrow beam at both frequencies (low 25-16 deg, high 10-6 deg) for crisp image detail to 3,000 ft
- External bronze thru-hull with High-Performance Fairing, for fibreglass or wood hulls up to 20 deg deadrise on boats 8 m (25 ft) and above
- Integral depth and fast-response water-temperature sensor
- Runs on Garmin units with a built-in 1 kW CHIRP sounder, or via the GSD 26 or GSD 25 sonar module
- B265LH bronze thru-hull transducer with 39 ft (12 m) cable
- High-Performance Fairing
- Mounting hardware
- 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 |
| 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 | Bronze thru-hull, external mount with High-Performance Fairing |
| Supported deadrise | Hulls up to 20 degrees deadrise (with High-Performance Fairing) |
| Recommended boat size | 8 m (25 ft) and above |
| Hull / engine suitability | Fibreglass or wood hulls; inboard, outboard or I/O engines |
Physical
| Housing material | Bronze transducer housing with High-Performance Fairing |
| Element configuration | 8 internal broadband ceramic assemblies |
| Temperature sensor | Yes – depth and fast-response water-temperature sensor |
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 | B265LH bronze thru-hull transducer with 39 ft (12 m) cable, High-Performance Fairing, mounting hardware and installation instructions |
No videos available for this product.
What frequencies and power does the B265LH use?
It is a dual-band CHIRP transducer covering 42 to 65 kHz (low) and 130 to 210 kHz (high), with 103 kHz of total bandwidth and 1 kW of transmit power.
Does the B265LH 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.
How deep can the B265LH sound?
The low band reaches approximately 3,000 ft and the high band approximately 1,000 ft, depending on water conditions.
How is the B265LH mounted?
It is an external bronze thru-hull transducer fitted with a High-Performance Fairing, for fibreglass or wood hulls up to 20 degrees deadrise on boats of 8 m (25 ft) and above.
Does the B265LH read water temperature?
Yes. It includes an integral depth reading and a fast-response water-temperature sensor.
