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What we think
The PerfectRec Earbuds or Headphones team Learn more
Updated January 10, 2024·
The AKG K712 Pro, with its open-back design, provides a wider soundstage and more natural sound, ideal for critical listening at home, but lacks portability, noise isolation, and microphone for calls. The Sennheiser HD 350BT is a closed-back, wireless option with a strong battery life and support for low latency codecs, making it versatile for casual listening, travel, and calls, but it won't match the openness of the K712 Pro in purely audio quality and comfort. Your choice should be based on whether you prioritize sound quality and a broad soundstage over convenience and multi-functionality. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the AKG K712 Pro
- The AKG K712 Pro has no clear advantages over the Sennheiser HD 350BT.
Advantages of the Sennheiser HD 350BT
- Good for phone calls
- Excellent for gaming
- Excellent for TV and video
- Very good for air travel
- Very good for podcasts and audiobooks
Key differences
Music
7.7
7.0
The AKG K712 Pro and Sennheiser HD 350BT are both good for music, though the AKG K712 Pro is somewhat better.
Gaming
7.0
9.1
The Sennheiser HD 350BT is excellent for gaming, while the AKG K712 Pro is good.
Phone Calls
4.9
7.4
The Sennheiser HD 350BT is good for phone calls, while the AKG K712 Pro is poor.
Podcasts and Audiobooks
7.8
8.3
The Sennheiser HD 350BT is very good for podcasts and audiobooks, while the AKG K712 Pro is good.
TV and Video
8.4
9.0
The Sennheiser HD 350BT is excellent for TV and video, while the AKG K712 Pro is very good.
Noise Reduction
2.5
6.0
The Sennheiser HD 350BT is only fair for noise reduction, while the AKG K712 Pro is poor.
Battery
N/A
33.0 Hours
The AKG K712 Pro does not have a battery. The Sennheiser HD 350BT has 33 hours of battery life.
Cost
$659
$80
$50
$100
$150
$200
$250
$300
$350
$400
The AKG K712 Pro has a price of $659 and the Sennheiser HD 350BT costs $80.
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Key similarities
Build Quality
8.5
8.2
The AKG K712 Pro and Sennheiser HD 350BT both have very good build quality.
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How the AKG K712 Pro and the Sennheiser HD 350BT compare to other earbuds and headphones
Spec Comparison
 |  | |
| AKG K712 Pro | Sennheiser HD 350BT |
GENERAL | |||
|---|---|---|---|
| Price | |||
$659 | $80 | ||
Brand | |||
Brand | AKG | Sennheiser | |
Release Date | |||
Release Date | July 1, 2013 | January 1, 2020 | |
Form Factor | |||
Form Factor | Headphones | Headphones | |
Connectivity | |||
Connectivity | Wired | Wireless | |
SOUND | |||
|---|---|---|---|
Music Score | |||
Music Score | 7.8/10 | 7/10 | |
Phone Calls Score | |||
Phone Calls Score | 4.9/10 | 7.4/10 | |
Gaming Score | |||
Gaming Score | 7/10 | 9.1/10 | |
TV and Video Score | |||
TV and Video Score | 8.5/10 | 9.1/10 | |
Exercise Score | |||
Exercise Score | 4.4/10 | 6.3/10 | |
PERFORMANCE | |||
|---|---|---|---|
Battery life | |||
Battery life | N/A | 33 Hours | |
Wireless charging | |||
Wireless charging | N/A | No | |
Charging time | |||
Charging time | N/A | 2 Hours | |
Bluetooth version | |||
Bluetooth version | N/A | 5 | |
FEATURES | |||
|---|---|---|---|
Active Noise Cancelling | |||
Active Noise Cancelling | No | No | |
Noise Reduction Score | |||
Noise Reduction Score | 2.5/10 | 6/10 | |
Virtual Surround | |||
Virtual Surround | No | No | |
Android App | |||
Android App | N/A | Yes | |
iOS App | |||
iOS App | N/A | Yes | |
Mic Quality | |||
Mic Quality | N/A | 8.5/10 | |
BUILD AND DESIGN | |||
|---|---|---|---|
Build Quality | |||
Build Quality | 8.5/10 | 8.2/10 | |
Comfort score | |||
Comfort score | 8.4/10 | 7.6/10 | |
Weight (headset or single earbud) | |||
Weight (headset or single earbud) | 235 Grams | 238 Grams | |
Microphone style | |||
Microphone style | N/A | Integrated | |
Waterproof Rating | |||
Waterproof Rating | 0 | 0 | |
Shopping
AKG K712 Pro
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Dig into reviews and images
Headfonics
Michael | October 2013
"AKG has created a mini-masterpiece in my opinion. I enjoy this headphone a great deal and it will become my go-to reference headphone for the time being. She is slick, sexy, well-balanced, and crazy comfortable."
Sennheiser HD 350BT
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Soundguys
Lily Katz | September 2023
"Sennheiser nails just nearly everything about the Sennheiser HD 350BT headphones. Sound quality is excellent, and the high-quality Bluetooth codec support is a rarity at this price point. If you don’t care for high-tech features like automatic ear detection, you’ll be delighted with these portable headphones."
Get a great deal on the AKG K712 Pro or the Sennheiser HD 350BT
About Sennheiser
A family-owned company, Sennheiser is a German, high fidelity, audio equipment manufacturer founded in 1945. Their consumer audio division is now owned by the Swiss hearing aid and cochlear implant manufacturer Sonova. Sennheiser offers a wide variety of, very high quality, audio equipment solutions, from headphones to earbuds, full sets of monitoring speakers, amplifiers and microphones. They also make what is widely regarded as the best, and most expensive, headphones in existence, the HE-1 Orpheus, costing a whopping $59,000 dollars.
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This information was produced and vetted by the PerfectRec earbuds & headphones team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest earbuds or headphones information and makes it digestible for you.
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About the Earbuds or Headphones team
Joe Golden, Ph.D
CEO and Earbuds and Headphones Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
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Earbuds and Headphones Expert
Luis is a Mexico-based headphones expert. He’s been making headphone recommendations for five years and has close to 100 pairs in his personal collection.
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