SKU: 22858746626

RadioEar DD450 High Frequency Circumaural Headset

Sale price$2250.00 Regular price$2500.00
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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30

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Description

RadioEar DD450 High Frequency Circumaural HeadsetDesigned for precision in both standard (125 Hz 8kHz) and high frequency audiometry (up to 20 kHz), this circumaural headset offers reliable performance for comprehensive hearing assessment. it meets IEC 60645 1 and ANSI S3. 6 standards up to 16 kHz and supports RETSPL calibration using IEC60318 1 coupler with a Type 1 adaptor. The headset features a 40 ohm impedance, excellent ambient noise isolation and a comfortable, padded design suited for

Designed for precision in both standard (125 Hz - 8kHz) and high-frequency audiometry (up to 20 kHz), this circumaural headset offers reliable performance for comprehensive hearing assessment. it meets IEC-60645-1 and ANSI S3.6 standards up to 16 kHz and supports RETSPL calibration using IEC60318-1 coupler with a Type 1 adaptor.

The headset features a 40-ohm impedance, excellent ambient noise isolation and a comfortable, padded design suited for extended clinical use. A 2.5-meter cable with a gold-plated 6.3mm mono jack ensures consistent signal quality. Fully RoHS compliant and built for long-term durability in audiology environments.  

Note: This is a special order item that requires approximately 3 week lead time 

Features
  • Full-range frequency testing: 125 Hz - 20kHz
  • Standards-compliant: IEC-60645-1 and ANSI S3.6 (up to 16 kHz)
  • RETSPL calibration compatible with IEC60318-1 coupler 
  • Effective ambient noise isolation for accurate testing
  • Adjustable headband with soft, cushioned ear cups for comfort
  • Gold-plated 6.3mm mono plug for optimal signal connection
  • RoHS compliant for environmental safety
Specs
  • Frequency Range: 125 Hz - 20 kHz
  • Impedance: 40 ohms
  • Cable Length: 2.5 m
  • Plug Type: Straight 6.3mm mono jack (gold-plated)
  • Design: Circumaural, over-ear style
  • Standards: IEC-60645-1, ANSI S3.6 (up to 16 kHz)
  • Calibration: Supports RETSPLs via IEC60318-1 coupler + Type 1 adaptor
  • RoHS Compliant: Yes
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: 22858746626

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4.7 ★★★★★
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★★★★★ 5
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Ryan B
Natrona Heights, US
★★★★★ 5
Almost perfect shoe for any use.
Size: 9.5, Color: Steel Grey/Cloud Grey
Almost the perfect shoe for anything if you get the right size. I sent back 1st pair, no reviews on new model so found out hard way sizing is a bit off. Definitely size down a half size! They are long! Also note that if you're feet are at all wide, go for wide version. I have normal width(4 1/4 at widest point) feet and its snug on me. My only real complaint about these shoes is they could use about 10% more arch. My arch is medium height. They're so comfortable I didn't even notice until the end of a long work day. Could also just be due to my current (194) weight. Color/design is fantastic, though I would like to see more color options like previous models had. Hopefully they just haven't launched full line-up yet, since I purchased in first month of availability. Also, these are seriously better than my expensive Kayano lite 2's.
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Reviewed in the United States on March 19, 2026
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Stormy
Lexington, US
★★★★★ 5
Love these
Size: 1 Big Kid, Color: Pearly Pink
Such a cute jelly shoe, comfortable fit, and doesn't make your feet smell. Great quality jelly shoe
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Reviewed in the United States on June 8, 2025
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L.Klein
Louisville, US
★★★★★ 5
Cute but size up
Size: 5 Toddler, Color: Beige Silver Glitter, Size: 5 Toddler, Color: Beige Silver Glitter
These are super cute, made well, feel much more solid than any other jellies we’ve purchased but size up. These are the size 5 Melissa jellies against the size 5 Sophia Grainge Mary Jane’s. These Melissa wouldn’t go on her foot, the SG Mary Jane was huge.
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Reviewed in the United States on May 14, 2025
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Raghu Kona
Draper, US
★★★★★ 5
Love it. Great Quality Sandals for decent price 👌
Size: 2 Big Kid, Color: Pearly Pink
Soul is pillow soft and really worth the price.
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Reviewed in the United States on April 26, 2026

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