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Sennheiser HD 450BT ANC Headphones - Black by Sennheiser - Refurbished - Excellent condition

Sennheiser HD 450BT ANC Headphones - Black

Brand: Sennheiser

Condition: Refurbished - Excellent
$20248
$30853
-35% Save $10605
Updated: 4 days ago

Description

OVERVIEW:
Superior sound with deep dynamic bass.
The new HD 450BT delivers active noise cancellation, high-quality wireless codec support and Bluetooth(R) 5.0.
Combines versatility with superior sound
Your audio companion for every need, at home or on the go.
Crafted from high-quality materials, the robust and stylish HD 450 BT models offer an exceptional combination of versatility and superior sound. Whether you’re playing your favorite tracks at home or listening to a podcast on the go, you can count on the Sennheiser HD 450BT to be your ultimate companion for wireless audio.
Noise-cancelling headphones with a superb 30 hours of battery life.

One of Sennheiser’s premier noise-canceling headphones models, the HD 450BT delivers captivating sound that you can enjoy without distraction - even in loud environments. Capture every audio detail in exceptional sound quality, assured by high-quality wireless codec support, including AAC and aptX(TM) Low Latency. A great companion for travel, the HD 450BT has a superb 30 hours of battery life. The headphones can also be quickly charged by USB-C to save you valuable time on the move. Additionally, the compact folding design - available in black or white - has been crafted from high-quality materials to provide the perfect balance of minimalist style, ergonomic comfort, and take-anywhere durability.

Specifications

  • Product Name: Sennheiser HD 450BT ANC Headphones
  • Headphone Earpiece Design: Over-Ear (Circumaural), Closed-Back
  • Earpiece Connection / Wearing Style: Headband
  • Foldable: Yes
  • Driver Type: Dynamic
  • Active Noise Cancellation: Yes
  • Controls/Microphone Location: Controls
  • Microphone: Earpiece (Side Unspecified)
  • Full Remote OS Support: Not Specified by Manufacturer
  • Sensors: Touch
  • Maximum Sound Pressure Level (SPL): 108 dB at 1 kHz
  • Total Harmonic Distortion (THD): 0.3%
  • Number of Mics: 2
  • Beamforming Support: Yes
  • Type: MEMS
  • Frequency Response: 80 Hz to 6000 Hz
  • Wireless Modulation: π/4 DQPSK, 8DPSK, GFSK
  • Supported Audio Codecs: AAC, SBC, aptX, aptX LL
  • Bluetooth: 5.0
  • Frequency: 2.4 GHz (2402 to 2480 MHz)
  • Audio Connector to Source: 1 x 1/8" / 3.5 mm Male
  • Audio Connector to Earpiece: 1 x 1/8" / 3.5 mm Female
  • Battery Chemistry: Lithium-Ion Polymer (LiPo)
  • Capacity (mAh): 600 mAh
  • Runtime: 30 Hours (BT+ANC)
  • Recharge Time: 2 Hours
  • DC Input Power: 5 VDC
  • Charging Port: USB Type-C
  • Weight: Headphones:8.4 oz / 238 g

Frequently Asked Questions

Why Should I buy a Certified Pre-owned Sennheiser HD 450BT ANC Headphones?
Get the same great performance and features as new, for a fraction of the price. A certified pre-owned Sennheiser HD 450BT ANC Headphones is a smarter, more sustainable way to upgrade without breaking the bank. At Reebelo, every product is professionally cleaned, quality-tested, and backed by our warranty and 30-day free returns, so you can shop risk-free and ensure your purchase is the perfect fit. It's better for your budget, better for the planet, and always risk-free.
What does Reebelo's warranty cover?
Every purchase from Reebelo includes a Vendor Warranty of up to 12 months covering functional defects, giving you peace of mind and protection against unexpected issues. For tech products, our warranty covers all functional defects under normal use, as long as there's no physical or water damage by the customer. All products with batteries come with at least 80% capacity for reliable daily use. Many products offer upgrade options to 90% or 100%. You're covered for 12 months against battery failure and overheating. Want extra protection? Add our ReebeloCare Extended Warranty, an enhanced coverage plan that includes accidental damage from drops, spills, and other mishaps not covered by the 12-Month Vendor Warranty, available on select products.
Is a certified pre-owned Sennheiser HD 450BT ANC Headphones reliable?
Absolutely! Every Sennheiser HD 450BT ANC Headphones from Reebelo undergoes up to 70 rigorous quality checks, including professional inspection, cleaning, and repair to ensure it meets the highest standards of functionality. We work with trusted, certified vendors to guarantee top performance and long-lasting reliability, so you can enjoy your product with complete confidence.
How much can I save by buying a certified pre-owned Sennheiser HD 450BT ANC Headphones?
At Reebelo, you can save up to 70% off retail prices on a Sennheiser HD 450BT ANC Headphones, all while enjoying the same top-tier quality and performance. We're proud to offer certified pre-owned products from the brands you love — affordable, reliable, and thoroughly tested. Want to boost your savings even more? Trade in your old product with Reebelo and make your next upgrade even more affordable.
How does buying certified pre-owned products benefit the environment?
Purchasing a certified pre-owned Sennheiser HD 450BT ANC Headphones is one of the most effective ways to reduce waste and minimize your carbon footprint. By giving high-quality products a second life, you're helping prevent valuable materials from ending up in landfills, where they can take centuries to decompose and release harmful toxins into the environment. Reebelo is committed to supporting a more sustainable, circular economy, where products are reused, refurbished, and kept in circulation for longer. This not only conserves resources but also reduces the need to manufacture new items, cutting down on energy consumption, raw material extraction, and greenhouse gas emissions. Make a smarter, greener choice — every certified pre-owned product you buy helps create a more sustainable future for all.

Sold by

Reebelo

Verified Retailer

Leading certified refurbished marketplace

  • 12-month warranty included
  • 30-day money-back guarantee
  • Environmentally conscious refurbishment
  • Grade-certified by expert technicians

Product Details

SKU:
ru-sku-mflf518gMRzyxIQsCHJfdzT
Country:
US

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $106 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Sennheiser products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

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