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Description
Airmar B744VL Long Stem Bronze Thru-Hull D/S/T w/FB 8-PinB744VL Long Stem Bronze Thru Hull D S T with FB 8 Pin The B744VL is a TRIDUCER Multisensor featuring depth, speed, and temperature in a single housing. The 50 200 kHz, dual frequency, single, ceramic element provides great target detail in shallow water at 200 kHz and good deep water bottom tracking at 50 kHz. The B744VLs extended stem length has the extra height needed for steep deadrise vessels or thick, cored fiberglass or wood hulls. The required
B744VL Long Stem Bronze Thru-Hull D/S/T with FB 8-Pin
The B744VL is a TRIDUCER Multisensor featuring depth, speed, and temperature in a single housing. The 50/200 kHz, dual-frequency, single, ceramic element provides great target detail in shallow water at 200 kHz and good deep-water bottom tracking at 50 kHz. The B744VLs extended stem length has the extra height needed for steep-deadrise vessels or thick, cored-fiberglass or wood hulls. The required High-performance Fairing gives excellent results at speeds up to 30 knots (34 MPH).
Features:
- Depth, speed, and fast-response water-temperature sensing in one housing
- 600 W of power
- Dual-frequency element:
- 50 kHz with a wide 45 beamwidth for depth performance to 353 m (1200)
- 200 kHz with a 12 beamwidth for depth performance to 206 m (700)
- Extra-long stem for thick or steep-deadrise hull
- Bronze housing with a High-performance Fairing for optimal bottom tracking at higher speeds
- Self-closing water valve reduces water flow into the hull when the paddlewheel insert is being replaced with the blanking plug
- Fins on the sides of the paddlewheel cavity provide improved accuracy in cross-flow conditions
- Also available with a shorter stem (B744V)
Specifications:
- Power Rating: 600 W
- Max Deadrise Angle: 24
- Housing: Bronze
- Functions: Depth, Speed, Temperature
- Hull Material: Fiberglass or wood
- Max Vessel LOA: Up to 9 m (30)
- Hole Size: 51 mm (2)
- Usable Shaft Length: 140 mm (5.50)
- Acoustic Window: Urethane
- Common Use: Leisure/Yachting, Fishing
- Conventional Beam: 45/12
- Max Deadrise: Up to 24 with fairing
- Max Depth: Low frequency- 366 m (1200), High frequency- 206 m (700)
- Mounting Style: Thru-Hull with Fairing
- Retractable housing: Yes
- Single or Dual Frequency: Conventional Dual Frequency
- Tilted Element: No
- Weight: 2.5 kg (5.5 lbs.)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Hotel quality, budget friendly
Size: King, Style: Light
I’ve only used this for several nights. Overall I’m pretty happy with it, especially for the price. It is soft to the touch and has a nice, smooth feel. It’s lightweight but still provides enough warmth for mild to cool nights. I don’t like feeling weighed down when I sleep, so the light fill is actually a big plus for me. If you’re someone who sleeps hot, this is a solid choice. The corner tabs are super helpful. I paired it with a duvet cover and haven’t had issues with shifting or bunching. It also fits my bed well, though I could see it being a bit short on the sides if you have a very thick mattress. This is a great budget-friendly option and seems like it will be easy to maintain.
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Reviewed in the United States on September 19, 2025
★★★★★ 5
Great Value but not for Hot Climates
Size: King, Style: All-Season
This is a fantastic, fluffy, thick duvet for the price. I really like it. Only issue is that it is definitely warm. I live in an area with hot summers, and we keep the AC around 73-74 overnight and this is way too hot for that. I had to replace it with something thinner. I love the feel of this duvet inside of my cover, it feels super nice, warm and cozy. It is just too hot.
I will try it over the winter months, but it might just become a mat under my sheets to make the bed cozier.
If you live somewhere with hot summers, this won't be the one for you for the hot months. It will be great for someone up north, or anywhere with mild evenings. Wish I could use it. Feels so cozy.
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Reviewed in the United States on July 8, 2025
★★★★★ 5
Feels luxury, I approve
Size: King, Style: Warm
I have purchased high end comforters/duvet inserts and this one is somehow my favorite. It's so thick and fluffy.
I was going to do the double duvet insert method to create an extra lush bed situation, but honestly it's not needed at all with this comforter! It poofs up wonderfully inside my duvet cover (king duvet, king insert) and it's like heaven. It's very cozy yet airy, and it moves well during the night and does not fee too heavy despite its weight.
This thing is definitely on the warm end and probably won't be suitable for Florida summers, but depending on how you set the AC at night it could be fine!
The comforter is weighty, it feels like quality, and has a soft fabric. I wouldn't use it without a duvet cover, that's more of an aesthetic choice but I like keeping it clean. The white is very white.
Honestly, I will be getting another one simply because I'm so impressed. Definitely no need to drop $300+ dollars elsewhere.
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Reviewed in the United States on October 25, 2025
★★★★★ 5
Great duvet insert
Size: King, Style: Light
Perfect duvet insert. I got a pretty expensive duvet to cover this and they worked great together. The fit was perfect and I didn’t feel like the duvet was smaller than its cover. This was a cheap option that keep us warm while not being too think. This product is also breathable and recommend if you live in a place that transitions from hot to cold often.
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Reviewed in the United States on April 6, 2026
★★★★★ 4
Great Price. Very comfortable and warm
Size: Full/Queen, Style: All-Season
I got this for a good price. It is warm, comfortable and washes well. It's a nice weight. I would buy this again.
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Reviewed in the United States on April 22, 2026