We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-23 · 6 min read · Independent comparison
If you want one pair of headphones that does aptX HD music, aptX Low Latency gaming and movie audio, and connects to two devices at once, choose Amazon Renewed Creative Sound Blaster; if you need an in-flight transmitter that lets two people share one airplane screen with their own headphones, choose Avantree Relay & SoundJet.
• Amazon Renewed Creative Sound Blaster — biggest strength: a genuine headphone that supports both aptX HD (24-bit / 48 kHz) and aptX Low Latency, with Bluetooth 5.0 multipoint for two devices at once.
• Amazon Renewed Creative Sound Blaster — biggest trade-off: it's an on-ear design, it's a renewed unit rather than new, and the supplied warranty is a 90-day limited one.
• Avantree Relay & SoundJet — biggest strength: it pairs two Bluetooth headphones to one 3.5 mm AUX source, so two travellers can watch the same seat-back screen, with up to 25 hours per charge.
• Avantree Relay & SoundJet — biggest trade-off: it's a transmitter, not a listening device — no TVs, phones, tablets, hearing aids or instruments, and it doesn't play audio by itself.
• Who each is for: the Creative set is for one person who wants better-than-CD wireless audio everywhere; the Avantree bundle is for two people sharing airplane entertainment.
This is a pair of on-ear Bluetooth headphones built around codec support rather than gimmicks. The headline spec for anyone searching for aptX HD earbuds-style audio is exactly that: aptX HD carries 24-bit / 48 kHz over Bluetooth, which is the "better-than-CD" tier of the format. If your source device supports it, that's the highest-quality wireless path in this comparison — full stop. The same headphones also carry aptX Low Latency, which matters more than people expect: it keeps audio and video lined up with negligible lag, so films and games don't drift out of sync. Bluetooth 5.0 covers a rated 10 metres of range, and multipoint lets a laptop and a phone stay connected simultaneously, switching between them without re-pairing.
The physical design is straightforward and adult-oriented: dynamic drivers, a 20 Hz – 20,000 Hz frequency range, on-ear cups, touch-based media controls, and sound-isolation noise control — that's passive isolation, not active noise cancellation, so don't expect ANC. Battery is rated at 22 hours, and a 10-minute charge time is quoted, which is the number to remember when you're walking out the door and realise you forgot to plug in. Connectivity is Bluetooth with a USB jack for the wired side, and the whole thing weighs 3.04 ounces.
Buy it if you want one device that covers music, movies and calls wirelessly with a high-quality codec and two-device switching. Skip it if you need ANC, if you dislike on-ear fit, or if you'd rather not deal with a renewed item — this unit is professionally inspected and tested to work and look like new, and renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee, but the manufacturer warranty listed here is 90 days limited. That's the honest trade-off of buying renewed.
This bundle solves a completely different problem. It's an airplane Bluetooth adapter: a 3.5 mm AUX transmitter powered by a Qualcomm chipset, using aptX Adaptive, that pairs two Bluetooth headphones or AirPods at the same time so two people can watch the same in-flight screen with their own audio. On a long-haul flight with a shared seat-back display, that's the entire use case, and it's a good one. Battery is rated at up to 25 hours per charge, which comfortably covers long international routes and frequent flyers who'd rather not think about charging mid-trip. The audio path is 3.5 mm AUX in, Bluetooth out, with aptX Adaptive handling the wireless link.
The limitation is written into the spec sheet and worth repeating plainly: this is not for TVs, phones, tablets, hearing aids or musical instruments. It's a transmitter only, so it does not pair with your phone as a listening device, and it produces no sound on its own — you still need your own Bluetooth headphones. If you already own a decent pair of earbuds or over-ears, this bundle upgrades the flight, not your music library.
Buy it if you travel with a partner, family member or friend and want to share one screen without splitting a headphone cable. Skip it if you're shopping for headphones, if you want something for your living-room TV, or if you mostly fly solo and already have one pair of headphones — the two-headphone trick is the reason this exists.
• Best for aptX HD audio quality → Amazon Renewed Creative Sound Blaster. It's the only product here that actually plays aptX HD at 24-bit / 48 kHz.
• Best for movies and gaming without lag → Amazon Renewed Creative Sound Blaster. aptX Low Latency is built in; the Avantree unit targets in-flight entertainment, not your console or PC.
• Best for two people, one screen → Avantree Relay & SoundJet. Two headphones paired to one 3.5 mm AUX source is its defining feature.
• Best for battery life → Avantree Relay & SoundJet at up to 25 hours, narrowly ahead of the Sound Blaster's 22 hours.
• Best for switching between laptop and phone → Amazon Renewed Creative Sound Blaster. Multipoint connectivity handles two devices at once; the Avantree transmitter doesn't pair with phones at all.
• Best for a quick top-up before you leave → Amazon Renewed Creative Sound Blaster, with its quoted 10-minute charge time.
• Best for frequent flyers who already own headphones → Avantree Relay & SoundJet. It adds capability to gear you already have rather than replacing it.
• Best for a single do-everything device → Amazon Renewed Creative Sound Blaster. It's a complete listening product; the Avantree bundle is an accessory.
If I were choosing for myself, I'd buy the Amazon Renewed Creative Sound Blaster. In my opinion it's the more versatile purchase: aptX HD, aptX Low Latency and multipoint in one pair of headphones covers music, films, games and calls, and it works at home, on a plane and at a desk. The Avantree Relay & SoundJet is genuinely clever, but it's a specialist tool — brilliant in exactly one scenario, useless outside it. Buy the Creative set for yourself; buy the Avantree bundle as a travel gift for two people who fly together.
FAQ
which earbuds support aptx hd
No. It's a Bluetooth transmitter with a 3.5 mm AUX input, so it sends audio from a wired source to your Bluetooth headphones. It doesn't pair with phones or tablets, isn't for TVs, hearing aids or instruments, and produces no sound on its own.
Yes. Multipoint connectivity lets it stay connected to two Bluetooth devices, such as a laptop and a phone, and switch between them without disconnecting and re-pairing. Bluetooth 5.0 is rated for roughly 10 metres of range.
Yes — I don't quote prices here, and both products sit in very different categories, so value depends on what you already own. Use the button on this page to check the current price on Amazon for each one before you commit.
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See also: Avantree Relay & Voyager vs Amazon Renewed Sennheiser Momentum 4, Picun G2 vs Creative Sound Blaster Audigy, Amazon Renewed Logitech G PRO vs IHAO Luxury