2D Traditional CHIRP & Down View Sonar · China · 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. Garmin 佳明 GT56UHD-TM 超高清三合一探头 — ¥3,200
   High-wide CHIRP with 800kHz/455kHz ClearVü down imaging; undisputed domestic standard.
2. Humminbird 蜂鸟 MEGA Down Imaging+ 旗舰下扫探头 — ¥2,450
   1.2MHz MEGA frequency provides photographic clarity of sunken trees, bridges, and fish.
3. Lowrance Lowrance Active Imaging HD 3-in-1 探头 — ¥2,800
   High-frequency CHIRP with 1.2MHz DownScan and FishReveal color highlight on bottom fish.
4. Raymarine 雷松 HV-100 HyperVision 一体式超清探头 — ¥2,480
   1.2MHz HyperVision CHIRP DownVision delivers astonishing underwater structure detail.
5. Airmar Airmar TM150M 中频 CHIRP 宽波束探头 — ¥2,300
   300W medium CHIRP with wide beam angle covers massive underwater area for fast scouting.
6. Garmin 佳明 GT54UHD-TM 超高清下扫侧扫探头 — ¥2,100
   Ultra HD ClearVü down imaging delivers crisp images of structure directly below the boat.
7. Humminbird 蜂鸟 Dual Spectrum 双频 CHIRP 传统探头 — $980
   Low-Q ceramic element delivers pristine target separation in high-pressure waters.
8. Airmar Airmar TM185M 1kW 超大功率深水探头 — ¥6,500
   1kW single-band CHIRP penetrates deep reservoirs with pristine resolution down to 1,500ft.
9. Lowrance Lowrance HDI Skimmer 经典双频下扫探头 — ¥1,100
   Proven hybrid dual-imaging transducer combining broadband CHIRP with DownScan.
10. Furuno 古野 船尾挂载高敏双频测深测温探头 — ¥1,350
    High sensitivity 50/200kHz dual frequency with rapid-response water temperature sensor.