High-resolution imaging sonar for underwater inspection, search & navigation

The QYSEA M750d imaging sonar transforms your FIFISH V6 Expert into a powerful underwater inspection system – even where cameras reach their limits. In dark or heavily murky waters, you can identify, locate, and inspect targets in real time and obtain clear sonar images in a compact, robust module.

With operating frequencies of 750 kHz and 1.2 MHz , a range of up to 120 m (or 40 m in high-resolution mode), and an update rate of 40 Hz, the M750d delivers a detailed, continuous image of the surroundings. Its wide horizontal field of view of 130°/70° , vertical field of view of 20°/12° , along with 512 beams and a resolution aperture of 1°/0.6° , enable precise imaging of structures, objects, and targets – ideal for inspection, search and rescue, port and bridge checks, or scientific applications.

The sonar module is designed for temperatures from -5°C to 35°C and is pressure-resistant to a depth of 300 m – perfect for demanding, professional applications. Combined with the maneuverability and 4K camera of your FIFISH V6 Expert, it creates a versatile ROV sonar system that delivers both visual and acoustic data.

Key features of the QYSEA M750d sonar module (V6 series)

• Specifically developed for QYSEA FIFISH V6 Expert

• High-resolution imaging sonar for murky and dark environments

• Frequencies: 750 kHz / 1.2 MHz

• Range: up to 120 m / 40 m , minimum distance 0.1 m

• 40 Hz update rate for smooth real-time display

• Horizontal opening angle: 130° / 70°

• Vertical opening angle: 20° / 12°

• 512 beams , aperture resolution 1° / 0.6°

• Operating temperature: -5 °C to 35 °C

• Depth Rating: 300 m – for professional deep-water operations

• Compact, robust form factor – ideal for inspection, search & navigation

Scope of delivery

• 1 × QYSEA M750d sonar module (for FIFISH V6 Expert)