Are these headphones open back or closed back?

semi-open design means that pro use will likely be limited to checking mixes and overdubs, and not live-room tracking, but they also simply double as over-ear headphones for anyone looking for excellent sound on a budget

is there any way i can buy more replacement cables ?

Try Maplins or a search on Amazon.

Do they come with the spare set of velour ear pads?

If you buy from Us, BuyHB, ours come with leather, and velour. So yes.

Are these fake? I don't understand why they are so highly regarded when they are so quiet and not even wired correctly.

I find the volume to be more than adequate, perhaps your sound source is insufficient. I don't understand your comment about not being wired correctly, there is only one lead, how can if be incorrect?

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Description

🎶 Elevate Your Sound Game!

HIGH EFFICIENCY - Maximize your audio experience with an impressive efficiency of 98 dB/mW.
IMMERSE YOURSELF - Experience sound like never before with a semi-open acoustic design.
VERSATILE CONNECTIVITY - Includes a 3.5mm to 6.3mm adapter and a 3m extender for ultimate flexibility.
BROAD FREQUENCY SPECTRUM - Hear every detail with a frequency response from 10 Hz to 30 kHz.
COMFORT MEETS PERFORMANCE - Enjoy extended listening sessions with plush velor earpads.

The Superlux HD681EVO headphones feature a semi-open acoustic design, providing a rich and immersive audio experience. With comfortable velor earpads, a versatile adapter, and an impressive frequency range of 10 to 30,000 Hz, these headphones are perfect for both casual listeners and audio professionals alike.

Specifications

Headphone Folding Features	Over Ear
Earpiece Shape	Rounded
Carrying Case Color	Black
Color	Black
Connectivity Technology	Wired
Headphone Jack	3.5 mm Jack
Frequency Range	10 Hz - 30 kHz
Audio Driver Size	50.8 Millimeters
Noise Control	Sound Isolation
Cable Length	4 Meters
Item Weight	263 Grams
Is Electric	No
Antenna Location	Cycling, Running, Exercising
Compatible Devices	Laptops, Desktops, Gaming Consoles, Tablets, Telephones, Smart Speaker, Television, Cellphones
Cable Features	Detachable
Specific Uses For Product	Professional Monitoring, Music Listening

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.