2D Traditional CHIRP & Down View Sonar · Japan · all prices

No maker publishes sales figures. These lists are built from best-seller and most-reviewed proxies (retailer rankings, review volume, awards) over the last five years — the source is shown under each entry.

1. Humminbird MEGA Down Imaging+ XM 9 Japan — ¥42,000
   1.2MHz high frequency captures exquisite weedbed structure on Lake Biwa with photographic fidelity.
2. Garmin GT56UHD-TM Transducer Japan Spec — ¥62,000
   Ultra High-Definition ClearVü displays ultra-thin thermoclines on deep Japanese reservoirs.
3. Lowrance Active Imaging HD 3-in-1 JP — ¥55,000
   FishReveal combines traditional CHIRP arcs with 1.2MHz DownScan on steep reservoir cliffs.
4. Raymarine HV-100 HyperVision Japan Spec — ¥48,000
   Photo-like 1.2MHz resolution isolates individual bass hovering above submerged timber.
5. Airmar TM150M Medium CHIRP Transducer JP — ¥45,000
   High sensitivity broad beam is favored by Lake Biwa deep offshore scouting anglers.
6. Garmin GT54UHD-TM Transducer Japan — ¥41,000
   Dependable down scan performance widely installed on Lake Sagami rental conversion decks.
7. Humminbird Dual Spectrum CHIRP Japan Spec — ¥18,000
   Low-Q ceramic element delivers pristine target separation in high-pressure reservoir waters.
8. Airmar TM185M 1kW CHIRP Japan Edition — ¥128,000
   1kW deep penetration preferred by Japanese coastal game boats and deep lake guides.
9. Lowrance HDI Skimmer Transducer Japan — ¥21,000
   Compact transducer head fits neatly inside rental boat side brackets without excess drag.
10. Furuno Dual Beam Transom Mount JP — ¥26,000
    Precision Japanese industrial engineering with fast water temperature response.