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  • Humminbird HDR 650 Digital Sounder - Round Bezel c/w Transducer
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Humminbird HDR 650 Digital Sounder - Round Bezel c/w Transducer

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2 new from £135.78
  • Display: 1.25" diagonal Mono
  • Sonar: Single Beam 200kHz/20° @ -10db
  • Depth 600ft

Product details

  • Product Dimensions: 38.4 x 21.6 x 18.5 cm ; 703 g
  • Boxed-product Weight: 703 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
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  • Item model number: 407860-1
  • ASIN: B00417HG3W
  • Date first available at Amazon.co.uk: 30 Jan. 2011
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Bestsellers Rank: 172,991 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
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Product Description

The HDR 650 In-Dash Digital Depth Sounder gives you instant, reliable digital depth readings, and offers customizable bezel and face colours to complement installed gauges. Great for all types of boating, the HDR 650 reliably tracks the bottom, even at high speeds, with the additional benefit of both deep and shallow depth alarms. The rubber buttons and backlit display make it easy to use, day or night. In addition, the gauge is easy to install in any existing 2.125 " gauge opening, it’s easily wired to the ignition switch so it automatically powers on, and the transducer can be transom mounted, or glued inside most fiberglass hulls. This unit comes packed with a transom mount transducer. Bezel colours included: White, Black and Chrome. Face plate colours included: White and Black.

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Most Helpful Customer Reviews

By Tim on 7 Oct. 2012
Verified Purchase
Bought this on back of customer reviews but was sceptical that it would perform very well especially at high speeds, but boy was I wrong, it works amazingly and is very accurate even at 55mph. Would definitely recommend.
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Most Helpful Customer Reviews on Amazon.com (beta)

Amazon.com: 0 reviews
27 of 27 people found the following review helpful
Humminbird depth sounder 29 Aug. 2011
By karlchilders - Published on Amazon.com
Verified Purchase
I installed this unit on my 27ft. pontoon boat, placing the transducer at the bottom of the right rear pontoon log.
Instal of the display was fairly easy though tough to reach and splice wires in the cramped space I had to work with. I used a crimp-on "vampire" tap for the red wire and was able to get the black wire to the bus.
Seems to read pretty accurately.
Display is backlit so you can see it in the dark.
Length of transucer cable just barely allowed me to get the cable run to my console at a little past mid ship.
Unit does not seem to want to display at speeds over 30mph or so. Starts flashing and locks at one depth until you slow down. This may be due to placement of the transducer vs. water turbulence at the rear of the boat I'm not sure.
Difficult to read the lcd display from different angles, you have to pretty much be right in front of it. This isnt a huge deal but still worth mentioning.
Overall, this is a very good, basic depth sounder. I am happy with it so far.
23 of 24 people found the following review helpful
Have installed two & each time it has beat my expectations! 5 May 2012
By MioBoy28 - Published on Amazon.com
I installed a Humminbird 650 depth finder in my 26' 1991 Four Winns Sundowner last year. I was nervous about epoxying the transducer in the hull, as I didnt expect it to be accurate. I was pleasantly surprised when I found out it worked faster, better, and read shallower depths than the original depth finder the boat came with that had a thru-hull transducer!! It was a very easy install, to boot. Make sure you use slow-cure epoxy (30 minutes or more preferred). Also if you are buying this depth finder because you plan on installing the transducer in the bilge with epoxy, check with your manufacturer to see if you have balsa coring, or any coring in your hull. For the record, Four Winns does NOT use coring - its solid fiberglass but other manufacturers construct their hulls differently and this may affect the performance of your depth finder if you install the transducer in the bilge. The transducer has difficulty shooting through voids in the hull and as long as its solid fiberglass, you will get the best results.

I also recently installed the same depth gauge in my new boat, a 27' 1997 Four Winns Vista. I was concerned that because the boat was newer and larger, it might have a thicker hull and the transducer would have problems shooting through. Well, again I was pleasantly surprised that it works GREAT! I used the same epoxy I used last fall on my old boat.

The depth finder comes with the transducer that you can transom mount or glue it in the hull and three different colored face rings, if you are installing the gauge outside the dash panel. You also get a white and black peel and stick face for the gauge, so it will match the rest of your existing gauges. The transducer has at least 20' of wiring, which was more than enough (I had at least 6' extra at the helm) for me.

I put a piece of electrical tape over the depth alarm as it is ridiculously loud (this is a GOOD thing to most people) however, even with a piece of electrical tape over the buzzer, you can still hear it loud and clear.

I highly recommend the Humminbird 650. As long as you install it properly, you WONT be disappointed!
3 of 3 people found the following review helpful
Unit worked great. Unfortunately after I glued the transducer to the ... 12 Aug. 2014
By clint ward - Published on Amazon.com
Verified Purchase
first attempt to install this item was hit and miss. 1st attempt was a through hull installation. Did as the manual instructed and placed on the hull, put some water in the hull and then placed a bag of rocks on top of the unit to test it while the boat is in operation. Unit worked great. Unfortunately after I glued the transducer to the hull the next time we took the boat out the sensor didn't work at all. After about 45 minutes with a hammer and screwdriver I was able to get it off the hull with out damaging the transducer too much. After that I tested the transducer thrown over the side of the boat. Seemed to still be functioning just fine. Just not through the hull any longer. went back to step one and tested the transducer through the hull with water and a bag of rocks and it didn't work like it did the first time. It would work for a second and then give a completely inaccurate reading. Ended up mounting it on the transom with the provided mounting hardware. One caution, the screws that come with the unit are cheap and if you use a bit too small for the pilot hole the heads of the screws will twist off in your thick fiberglass transom. Make sure to make large enough pilot holes. Tested the transducer mounted on the transom last weekend, Worked like a charm even at 30mph, always stayed locked on with an accurate depth. Giving 3 stars for cheap mounting hardware and inconsistent functionality with through hull installation. If you're wanting to do a through hull installation, consider a sounder that is specifically made for through hull installation. If you're fine with transom mounting the unit, this is a great unit for the price.
2 of 2 people found the following review helpful
By D. ENGLE - Published on Amazon.com
Verified Purchase
1 of 1 people found the following review helpful
I am happy with it 4 Jan. 2015
By Tamas Olah - Published on Amazon.com
Verified Purchase
I got what I expected. It was promised till 17th Dec, and at last I received it one day before Xmas.
I am very happy with it, we could put it under the tree :) thank you very much.
Everyone needs to know, it has 20 feet cable originally.
This lenght is enough for the most smaller boat.
I think, many people buy extension cable, just because they could not see this in the details.
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