SKU: 12537151762

Newman DD-301 Obstetric DigiDop Rechargeable, Non-display Digital Doppler

Sale price$291.11 Regular price$323.46
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Description

Newman DD-301 Obstetric DigiDop Rechargeable, Non-display Digital DopplerDD 301 Obstetrical Doppler DD 301 Rechargeable, non display Digital Fetal Doppler These audio only Dopplers provide great value if all you need is to hear the Doppler sounds loud and clear. They include a display of battery condition, signal strength, and volume setting, but do not have a heartrate display. Features: Better Sound Digital Sound Clarity DSC produces up to 6x signal of other Dopplers Better Warranty 5 year honest warranty all parts &

DD-301 Obstetrical Doppler

DD-301 Rechargeable, non-display Digital Fetal Doppler

These audio only Dopplers provide great value if all you need is to hear the Doppler sounds loud and clear. They include a display of battery condition, signal strength, and volume setting, but do not have a heartrate display.

Features:

  • Better Sound – Digital Sound Clarity-DSC™ produces up to 6x signal of other Dopplers
  • Better Warranty – 5 year honest warranty – all parts & labor. Includes rechargeable batteries on rechargeable units.
  • Better Support & Service – Knowledgeable Staff & Guaranteed Service  Smart Recharge System™ (Model 301) A significant reduction in lifetime battery costs and also a reduction in waste
  • ‘Unbreakable’ magnetic probe holder
  • All probes are interchangeable
  • User replaceable cord eliminates service downtime
  • Powered by 3 AA batteries offer extended battery life of 900 mins 
  • Dimensions (h x w x l): 150 x 65 x 35 mm (6.0 x 2.5 x 1.25 in)
  • Weight: 340 grams (12 ounces)

Features 

Superior sound quality

Our Dopplers have the sensitivity and audio response to allow you to hear the fetal heart tones quickly and clearly. All our DigiDops have our state of the art Digital Sound Clarity – DSC™. A sound processor in the main unit enhances the sounds you want to hear while reducing those you don’t. The DSC™ processing is optimally set for each different probe frequency.

The DigiDops speakers are small but powerful high fidelity speakers that have an extraordinarily smooth and rich response over the whole range of Doppler sounds.

Built to last

With our industry-leading five-year warranty we have made sure that the DigiDop will stand up to hard use day after day. The combination of our sturdy design and warranty can save you significant service costs.

The body is made of a mix of tough plastics with a unique stainless steel grill over the speaker. Our latest DigiDop’s smooth, clean lines are also more comfortable in the hand. The grill now has micro-screen openings to protect the speaker; the speaker itself has an internal sound transparent fabric cover to keep out dirt and dust.

Our unique magnetic probe holder won’t crack or break and gently cradles the probe when not being used. The strong magnets we use hold the probe without being sensitive to how it’s rotated. The open design avoids gathering dirt, gel and germs.

 

Options 

Obstetrical Probes

All DigiDop obstetrical probes provide the sensitivity and reliability you need. All probes will work on all DigiDops for maximum versatility. Our 2 and 3 MHz obstetrical probes utilize our exclusive eXtended Depth – XD™ technology that has increased sensitivity at closer depths without sacrificing it at deeper depths. These probes create more than six times as much signal at some depths that other probes. All of our OB probes have a smooth contour design that is comfortable to hold, comfortable for the patient, and easy to clean.

  • 2 MHz probes provide excellent deep penetration for late term pregnancy or larger patients.
  • 3 MHz probes are especially sensitive to early fetal hearts but can also be used throughout the pregnancy.
  • Both 2 and 3 MHz probes are available in water proof versions for water-assisted labor and delivery. These waterproof probes can be removed from the DigiDop and replaced with a standard probe.
  • A variety of vascular probes can be used interchangeably with any of DigiDop.


DD-301-D2
DigiDop 301 non-display Doppler with recharger, 2MHz obstetrical probe
DD-301-D2W
DigiDop 301 non-display Doppler with recharger, 2MHz waterproof obstetrical probe
DD-301-D3
DigiDop 301 non-display Doppler with recharger, 3MHz obstetrical probe
DD-301-D3W
DigiDop 301 non-display Doppler with recharger, 3MHz waterproof obstetrical probe
DD-301-D5
DigiDop 301 non-display Doppler with recharger, 5MHz vascular probe
DD-301-D8
DigiDop 301 non-display Doppler with recharger, 8MHz vascular probe

Technical Specifications 

Specifications

  • Level of Protection against electrical shock
  • Type B Applied Part
  • Class II Equipment
  • Designed to meet the following standards:
  • IEC60101-1; IEC60601-2; IEC60601-2-37
  • Dimensions-imperial (h x w x d): 6” x 2.5” x 1.25”
  • Dimensions metric (h x l x w): 152 x 64 x 32 mm
  • Weight (with batteries): 370 grams (13 ounces)
  • Operating Temperature: 10° to 40°C (50° to 104°F)
  • Operating Humidity: 30% to 75%
  • Transport/Storage Temperature: -20° to 50°C (-4° to 122°F)
  • Transport/Storage Humidity: 5% to 90%, non-condensing
  • Battery Voltage, type: 3 x 1.5 volts, AA Alkaline; 3 x 1.2 volts, AA NiMH
  • Battery Life: NiMH: 500, 1-minute exams; Alkaline: 750, 1-minute exams
  • Audio Bandwidth and power: 100Hz – 3000Hz, 1.0W
  • Heart Rate Calculation accuracy: +/- 3 BPM
  • Audio Cable Interface: 3.5mm stereo plug

Brochure 

DD-300 & DD-301 Non-display Doppler Systems Brochure 

Warranty 

Industry Leading Five Year Warranty

All our DigiDop Dopplers come with a ‘bumper-to-bumper’ 5 year warranty. The warranty includes both parts and labor and covers not just the main unit but also the probes and cords. We can offer this outstanding warranty because our design and materials reduce the number and cost of warranty issues.


Batteries and Smart Recharge System

Never worry about batteries again with this outstanding and unique combination of premium batteries and Smart Recharging System – SRS™. We use batteries that can be recharged more than 2000 times – far more than usual rechargeable batteries. This reduces costs and waste significantly. These special batteries will maintain their charge for years when not being used. Our Smart Recharge System charges the batteries quickly but will not overcharge. The system will also detect if non-rechargeable batteries have mistakenly been inserted and will stop charging before causing damaging battery leakage. The DigiDop utilizes a standard micro USB connection so that confusion about whether the charger is the correct voltage or not is eliminated. These advanced batteries and the Smart Recharging System literally save you hundreds of dollars over the lifetime of the DigiDop.

Made in the USA

Our products are designed and manufactured near Denver Colorado, a long-time center for diagnostic ultrasound products. Each product, including each probe, is individually inspected and tested to assure quality and durability. We have a very experienced team that has been in the Doppler business for many years – back to the time the first fetal Dopplers were introduced.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 12537151762

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Channing Motley
San Leandro, US
★★★★★ 5
Keeping the crusty heels at bay!
Color: Cotton Gray, Size: Regular
I deal with chronic dry heels that crack if left unmanaged. I bought these in hopes that when I do soak and scrub my heels that I can keep the cracking at bay. These have been a godsend. I wear them every night and my heels are nice and soft. I plan on purchasing more. A couple of things I have noticed, if I wear these during the day, the bottom of my feet do seem to sweat and there is some slipping. I have only washed these are directed (hand washing) and you will want to after a couple washes because it could give a sweaty feet smell. Overall, I highly recommend.
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Reviewed in the United States on March 21, 2026
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Verified Purchase
Amazon Customer
Los Angeles, US
★★★★★ 5
Moisturized heels out of the box
Color: Fuzzy Lilac Purple, Size: Regular
Work without adding anything to your feet, but there are extra nice if you wanted to add a moisturizer to you heel and not get it all over your socks. Worth the money!
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Reviewed in the United States on May 17, 2026
S
Verified Purchase
Secret Angel
Lexington, US
★★★★★ 5
Transformative for Dry, Cracked Heels!
Color: Original Grey
I recently purchased Dr. Frederick's Original Moisturizing Heel Socks, and they have truly transformed the condition of my feet! I can’t recommend them highly enough. Effective Moisturization: These socks are infused with moisturizing agents that work wonders. After just a few uses, I noticed a significant reduction in dryness and cracking on my heels. My feet feel softer and smoother, and I love that I can wake up to beautifully moisturized skin. Comfortable Fit: The socks are incredibly comfortable to wear, with a snug yet gentle fit. I appreciate that they don’t feel restrictive, allowing me to walk around my home while wearing them without any discomfort. They are also lightweight, making them easy to slip on before bed. User-Friendly: They are super easy to use—just wear them overnight, and let the socks do their magic. I love the simplicity of incorporating them into my nighttime routine. Durable Quality: The quality of the socks is impressive. They wash well and have maintained their shape and effectiveness after multiple uses. I feel confident that they will last a long time. Final Thoughts: If you're struggling with dry, cracked heels, I highly recommend Dr. Frederick's Original Moisturizing Heel Socks. They are a fantastic investment in foot care and have made a noticeable difference in the health of my skin. These socks have become a must-have in my self-care routine!
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Reviewed in the United States on October 4, 2024
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Donna
Port Orchard, US
★★★★★ 5
These worked for me!
Color: Original Grey
They worked great. I bought these for cracked sore heels. It took 2-3 weeks but my heels no longer hurt and the cracks have closed and look more like an indention than a crack now. They feel so much better, but I'll probably wear them another week just to be sure they stay healed. They look and feel like regular socks from the outside but only cover the heel with the toe open. Not think but not thick, again like regular socks. They would probably be slippery on a smooth surface the same as socks. The inside feels like rubber or something smooth at the heel. I have washed them once each pair and accidentally dried one pair in the dryer. They still seem to feel the same so I think they're fine. They're pretty inexpensive and had different colors and sizes.
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Reviewed in the United States on February 10, 2026
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Verified Purchase
Mimi
Los Angeles, US
★★★★★ 4
Truly Helped My Cracked Heels
Color: Original Grey
I didn't include a photo cause they look exactly like their advertisement photo. I so liked the silicon-type heel lining as it kept the heel-repair cream on my heel and did not get soaked up by the sock. But, it is so, so slippery when walking around in them! Take care to be mindful when you set each foot down as the lotion can slide your heel across the sock quite a bit. If these socks were for an elderly person, I would have them only sit while using the sock - no walking around for fear of falling. I have larger ankles and found that having both the top and the bottom hems/elastic, etc. the same size to be quite troublesome and was not a nice feeling or fit on my upper hem that hit my ankle. Don't get me wrong, I am so glad that I got them and I continue to use them and they are helping my horribly-cracked heels greatly, but I find that I have to keep moving the top hem up and down so that it doesn't stay in one position as it cuts in to my ankle. My feedback and advice might be to please make the upper hem somewhat larger than the one that is on the bottom and goes over my actual foot. They really should not be the same circumference...or else make different sizes - S, M, L, etc. That's really my only complaint or "con" to ordering these. I think they are a great concept and I like the fact that I can throw them in the washer and dryer.
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Reviewed in the United States on June 8, 2024

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