Airmar TM265LH dual-band CHIRP transom-mount transducer, 1 kW, 42–65 & 130–210 kHz. Delivers deep-water penetration, narrow high-frequency detail, clear target separation and fast depth/temperature sensing. Includes stainless bracket and 9 m cable. Read more.
The AIRMAR TM265LH is a high-performance dual-band CHIRP transom-mount transducer, engineered to deliver exceptional deep-water penetration and precise high-frequency resolution across a wide range of fishing conditions. Designed for anglers targeting species that respond best to specific frequencies—such as Bluefin tuna at 60 kHz, squid at 133 kHz, and cod at 175 kHz—the TM265LH covers all these frequencies and every other value within both CHIRP bands. With 1 kW of power, it provides clean separation of bait and game fish, improved bottom discrimination and consistent target clarity at all depths.
This model integrates a powerful seven-element low-frequency array operating between 42–65 kHz, giving outstanding performance in deep water up to 914 m (3000 ft). The high-frequency ceramic, running from 130–210 kHz with a narrow 10°–6° beam, is ideal for isolating fish holding tight to structure and for resolving fine details in the upper water column. The unit incorporates a SEALCAST™ urethane housing and a stainless-steel transom bracket, suitable for vessels of all propulsion types. It supports depth and fast-response temperature sensing and is compatible with Furuno 10-pin CHIRP systems.
The TM265LH uses an adjustable transom-mount bracket that allows correct alignment across a wide range of transom angles. This ensures the transducer face is positioned properly in the water for accurate depth readings and consistent dual-channel CHIRP performance.
Dual-band CHIRP (42–65 & 130–210 kHz): Wide low-band coverage plus narrow high-band detail.
1 kW power rating: Excellent deep-water capability and strong target definition.
Seven-element LF array: Reliable performance down to 914 m (3000 ft).
Narrow HF beam (10°–6°): Ideal for pinpointing structure and tightly held fish.
Covers key fishing frequencies: Includes traditional 50/200 kHz coverage within the bandwidth.
Urethane acoustic window: Durable and optimized for long-term water exposure.
Stainless transom bracket: Stable mounting for all propulsion types.
Depth & temperature sensing: Fast-response integrated sensors.
10-pin connector: Direct compatibility with Furuno CHIRP fish finders.
9 m cable (Mix & Match version includes 1 m adapter): Flexible installation options.
TM265LH Transducer Body
Dual-band CHIRP system combining a seven-element low-frequency array with a high-frequency ceramic, enclosed in a SEALCAST™ urethane housing.
Stainless-Steel Transom Bracket
Robust adjustable bracket ensuring proper immersion and clean water flow across a range of hull angles (3°–21°).
9 m 10-Pin Cable
Factory-installed cable for OEM models; Mix & Match versions include a 1-m adapter for fishfinder-specific compatibility.
Power: 1 kW
Low Frequency: 42–65 kHz, 25°–16° beamwidth
High Frequency: 130–210 kHz, 10°–6° beamwidth
Functions: Depth, temperature
Max depth: LF: 914 m / 3000 ft; HF: 304 m / 1000 ft
Housing: SEALCAST™ urethane with stainless bracket
Mounting: Transom mount
Hull types: Compatible with all hull materials
Cable length: 9 m (Mix & Match version adds 1 m adapter)
Max vessel LOA: Up to 10 m (33 ft)
Weight: 4 kg
Frequency coverage: Includes popular 50/200 kHz points within CHIRP sweep
Technology: Patented Xducer ID®
Construction: Non-tilted, non-retractable design
Supported systems: Furuno CHIRP sounders and TZtouch MFDs using a 10-pin CHIRP input.
Functions supported: Depth and temperature.
Notes: Dual-band CHIRP model; also available in thru-hull (B265LH), in-hull (M265LH), cavity (CM265LH) and pocket (PM265LH) variants.
TM265LH 1 kW dual-band CHIRP transom-mount transducer
Stainless-steel transom mounting bracket & hardware
9 m cable with 10-pin connector
Installation documentation
Mount on a clean, turbulence-free section of the transom where the housing remains fully submerged at speed. Avoid steps, strakes and aerated flow regions. Align the bracket for an undisturbed water path to maintain signal clarity in both CHIRP bands. Route the cable through a watertight pass-through and connect directly to the 10-pin CHIRP port, keeping it isolated from electrical interference for best sonar performance.
The adjustable transom-mount bracket allows alignment over a typical transom-angle range of approximately 2° to 22°, ensuring the transducer face sits level in the water. Proper alignment during installation supports accurate depth readings and reliable dual-channel CHIRP performance.
