Soundcore Space A40 or EarFun Air Pro 4? Which is better for travel?
For travel, the Soundcore Space A40 and EarFun Air Pro 4 both offer adaptive noise cancellation, long battery life, multipoint connectivity, and compact charging cases. The Space A40 focuses more on strong noise reduction and fast charging, while the Air Pro 4 offers newer Bluetooth 5.4, in-ear detection, higher water resistance, and broader codec support. Your choice depends on which travel features matter most.
| Feature | Soundcore Space A40 | EarFun Air Pro 4 |
|---|---|---|
| ANC | Adaptive ANC | QuietSmart 3.0 adaptive ANC |
| ANC battery | Up to 8 hours | Up to 7.5 hours |
| Total battery with ANC | Up to 40 hours | Up to 35 hours |
| Battery without ANC | Up to 10 hours | Up to 11 hours |
| Fast charging | 10 min = 4 hours | 10 min = 2 hours |
| Bluetooth | 5.2 | 5.4 |
| Multipoint | Yes | Yes |
| Wireless charging | Yes | Yes |
| Water resistance | IPX4 | IPX5 |
| Weight with case | Not listed by manufacturer on current product page | 56 g |
| In-ear detection | No | Yes |
| Available |  | |
The manufacturers’ battery figures use different test conditions, so they are best treated as advertised maximums rather than guaranteed real-world results.
Noise Cancellation for Airplane and Train Travel
Noise cancellation is one of the most important features when choosing earbuds for travel. Airplane engines, train rumble, bus noise, and other steady background sounds can make listening more difficult without ANC.
The Space A40 uses adaptive noise cancellation that adjusts to surrounding noise. Soundcore specifically lists airplanes, trains, traffic, and indoor voices among the situations its ANC is designed to handle.
The EarFun Air Pro 4 uses QuietSmart 3.0 adaptive ANC and advertises noise reduction of up to 50dB. That figure should not be treated as a direct one-to-one measurement against Soundcore’s advertised “up to 98%” reduction because the companies describe their ANC performance using different specifications and testing methods.
Independent testing from RTINGS found the Space A40’s ANC more effective overall than the Air Pro 4+ in its comparison, particularly for commuting and flights. That is useful context, but the tested EarFun model there is the Air Pro 4+, not the standard Air Pro 4 in this comparison.
For someone who spends a lot of time on airplanes or trains, ANC performance should therefore be a major part of the decision rather than relying only on the advertised decibel figures.
Battery Life During Long Trips
Battery life is another important travel consideration, especially if you have a long flight or several connections.
With ANC enabled, Soundcore rates the Space A40 for up to 8 hours on a single charge and up to 40 hours with the charging case. The EarFun Air Pro 4 is rated for up to 7.5 hours with ANC and up to 35 hours with its case.
With ANC turned off, the Air Pro 4 reaches a higher advertised single-charge figure of up to 11 hours, compared with 10 hours for the Space A40. However, the Space A40 has the advantage when ANC is being used and provides a much faster quick-charge rate.
That fast charging can be useful at an airport. Soundcore says a 10-minute charge can provide up to 4 hours of listening, while EarFun says 10 minutes provides up to 2 hours.
For a trip where you expect to use ANC most of the time, the Space A40 has a practical battery advantage.
Comfort and Portability
Travel earbuds may stay in your ears for several hours, so comfort matters just as much as battery life.
The Space A40 uses a compact, stem-free design. Soundcore describes it as lightweight and designed for comfort, and the company recommends selecting the right ear-tip size to improve both comfort and the ANC seal.
The Air Pro 4 also has a compact in-ear design. Its case and earbuds weigh 56 grams in total, according to EarFun.
Fit is personal, so neither model can be guaranteed to feel better for every traveler. A good ear-tip seal is especially important because it affects both passive isolation and ANC performance.
If you tend to wear earbuds for several hours during a flight, try different included ear-tip sizes before your trip rather than judging comfort from the first fit.
Calls While Traveling
Travel often involves calls from airports, hotels, trains, or busy streets.
The Space A40 has six microphones and an AI-based call system designed to identify voices and reduce surrounding noise.
The Air Pro 4 also uses six microphones, along with an AI algorithm and cVc 8.0 technology for call clarity.
Independent testing of the newer Air Pro 4+ found an advantage for microphone performance compared with the Space A40, but that result should not automatically be applied to the standard Air Pro 4.
For occasional travel calls, both have the microphone hardware and software features needed for the job. If frequent calls are a major reason for buying the earbuds, microphone testing should carry more weight in your decision.
Connectivity and Phone Use
Both earbuds support multipoint-style connections, which can be useful when traveling with a phone and laptop.
The Space A40 can connect to two Bluetooth devices at once, making it possible to switch between music and calls without repeatedly disconnecting and pairing.
The Air Pro 4 supports multi-device connectivity and uses Bluetooth 5.4. It also supports codecs including aptX Adaptive, LDAC, SBC, and LC3.
The Space A40 supports Bluetooth 5.2 and LDAC, along with app-based sound customization.
For a typical traveler using an iPhone or standard Bluetooth audio source, codec differences may not matter much. The EarFun’s broader codec support becomes more relevant if you use compatible Android hardware and specifically want higher-quality Bluetooth audio.
Water Resistance for Travel
Travel can expose earbuds to rain, sweat, or accidental splashes.
The Space A40 is rated IPX4, while the Air Pro 4 has an IPX5 rating.
That gives the Air Pro 4 a higher stated water-resistance rating. Still, neither model should be treated as waterproof, and the charging case needs separate care around water.
For normal city travel, either rating can be useful. If your trip includes frequent outdoor walking in uncertain weather, the Air Pro 4’s higher rating provides some extra protection.
Sound Quality for Flights and Road Trips
Both earbuds support EQ customization, so you can adjust the sound to your preference.
The Space A40 supports LDAC and Soundcore’s HearID system, along with multiple EQ presets in the Soundcore app.
The Air Pro 4 uses 10mm composite dynamic drivers and supports LDAC and aptX Adaptive, with app-based sound personalization. EarFun also lists aptX Lossless support on the Air Pro 4.
The Air Pro 4 is particularly interesting for Android users with compatible devices because of its newer Qualcomm platform and additional codec support. On the other hand, the Space A40 offers plenty of sound customization for travelers who mainly want comfortable music listening with strong ANC.
Which One Makes More Sense for Different Trips?
The better choice changes depending on how you travel. For long flights: The Space A40’s ANC battery rating and faster quick charging are useful when you may spend many hours away from a charger.
For road trips: Either model can work well. The Air Pro 4’s IPX5 rating can be helpful for outdoor stops, while the Space A40’s longer ANC-rated total battery life reduces the need to recharge the case.
For Android travelers who care about Bluetooth audio: The Air Pro 4 offers aptX Adaptive, aptX Lossless, LDAC, and LC3 support, although the actual benefit depends on the phone and audio source.
For travelers who often forget to charge: The Space A40’s 10-minute charge providing up to 4 hours of listening is particularly useful for quick airport top-ups.
For trips with changing weather: The Air Pro 4’s IPX5 rating provides a higher stated water-resistance level than the Space A40’s IPX4 rating.
Soundcore Space A40 or EarFun Air Pro 4 for Travel?
The two models are close, but they focus on slightly different travel needs. The Space A40 puts more emphasis on ANC-focused travel use, long battery life with ANC, and very fast charging. The Air Pro 4 brings Bluetooth 5.4, in-ear detection, a higher water-resistance rating, and broader codec support.
For someone planning long flights and train rides, the Space A40’s combination of ANC, battery endurance, and fast charging is particularly relevant. For someone who values newer connectivity features, Android codec support, and added water resistance, the Air Pro 4 offers a different set of advantages.
The most useful way to choose is to match the earbuds to your actual travel routine rather than focusing on one specification.
Frequently Asked Questions
Still deciding between the Soundcore Space A40 and EarFun Air Pro 4 for your next trip? These common questions cover the key travel features, including noise cancellation, battery life, and long-flight use, to help you understand how the two earbuds compare.
Is the Soundcore Space A40 good for airplane travel?
Yes. The Space A40 has adaptive ANC designed for situations such as airplane and train noise, and Soundcore rates it for up to 8 hours of listening with ANC enabled. Its quick-charge feature can also provide up to 4 hours of playback after a 10-minute charge.
Does EarFun Air Pro 4 have enough battery for long flights?
The Air Pro 4 is rated for up to 7.5 hours with ANC on and up to 35 hours when the charging case is included. Actual battery life varies with volume, audio content, and features such as LDAC.
Which has better ANC, Space A40 or Air Pro 4?
The manufacturers use different measurements for their ANC claims, so their advertised numbers should not be compared directly. Independent RTINGS testing found the Space A40’s ANC more effective than the Air Pro 4+ in its tested comparison, but that does not constitute a direct test of the standard Air Pro 4.
Final Thoughts
The Soundcore Space A40 and EarFun Air Pro 4 both make sense for travel, but their strengths are different. Look closely at ANC battery life, quick charging, fit, water resistance, and the Bluetooth features your phone actually supports before buying. For a long trip, also charge the case fully and test the ear tips at home so you are not adjusting the fit for the first time on the plane.
