Anker Soundcore Space A40
True wireless earbuds currently selling for 60 USD. Features LDAC support, up to 50-hour playback, and high-performance ANC, earning high praise for its excellent balance of features, price, and reliability.
Overview
The Anker Soundcore Space A40 is a true wireless earbud released in September 2022. Currently priced at 60 USD, it offers LDAC support, adaptive ANC with up to 98% noise reduction, and a playback time of up to 50 hours. It features 10mm dual-layer dynamic drivers, Bluetooth 5.2 with multipoint connectivity, and IPX4 water resistance. With wireless charging capability, it weighs just 5g per earbud and 58g including the case in a lightweight design. Frequently selected by professional review sites as one of the best buys in the under-100 USD earbud category, it is evaluated as a well-balanced product for its features and price.
Scientific Validity
\[\Large \text{0.7}\]The Space A40 achieves a wide frequency response of 20Hz-40kHz with its 10mm dual-layer dynamic drivers and enables data transmission up to 990kbps with LDAC support, three times that of conventional SBC/AAC. The adaptive ANC claims up to 98% noise reduction and is said to be particularly effective against low-frequency noise in the 40-100Hz band. It incorporates HearID Sound 2.0 for measuring and personalizing the sound profile to individual hearing characteristics. However, detailed measurement data for THD, SNR, and frequency response are not disclosed, and specific dB values or measurement conditions for the 98% noise reduction claim are not specified. While its specs are standard for wireless earbuds, there is room for improvement in the transparency of its scientific verification.
Technology Level
\[\Large \text{0.6}\]The Space A40’s technical standard maintains an industry-standard level with its 10mm dual-layer driver and hybrid ANC configuration using a multi-microphone system. The integration of modern features like LDAC support via Bluetooth 5.2, multipoint connectivity, and wireless charging is properly implemented. While adaptive noise canceling and individual optimization through HearID Sound 2.0 provide added value, they are applications of existing technologies rather than fundamental innovations in acoustic engineering. The extended 50-hour playback is a result of efficient power management technology. Overall, it achieves a high level of completeness for its price range through the effective combination and optimization of existing technologies, but its uniqueness and technological innovation are limited.
Cost-Performance
\[\Large \text{0.9}\]The Space A40 is currently sold for 60 USD. A more affordable option with comparable key features, such as LDAC support and ANC, exists in the “EarFun Air Pro 3” (approximately 53 USD). Based on this, the cost-performance is calculated as 53 USD ÷ 60 USD ≒ 0.88. While it is not the absolute cheapest option, it still maintains a very high cost-performance compared to other competitors like the Nothing Ear (a) (approximately 99 USD).
Reliability & Support
\[\Large \text{0.7}\]Anker’s standard 18-month warranty (extendable to 24 months with member registration on their official site) applies, and their response to product defects is reputed to be prompt. The IPX4 water resistance ensures durability for daily use, and a solid domestic support system is in place. Firmware updates and feature customization through the Soundcore app are comprehensive. The lightweight design of 5g per earbud reduces ear fatigue during extended use, with professional reviews noting it is “comfortable even during hours of continuous use.” However, specific data on battery degradation rates and failure statistics during long-term use are not disclosed. It provides an above-average standard for both reliability and support systems compared to products in the same price range.
Rationality of Design Philosophy
\[\Large \text{0.6}\]The Space A40’s design philosophy follows an approach of “realizing high functionality at an affordable price.” It is rational in achieving both LDAC support and ANC functionality while delivering 50 hours of extended playback. The lightweight, compact design for an improved fit and the practical focus on multipoint connectivity are commendable. The adaptation to individual hearing characteristics through HearID Sound 2.0 is also a plus. However, its value as dedicated audio equipment depends heavily on this combination of convenience features. Its audio quality advantages are limited when compared to a direct smartphone connection or a higher-performance dedicated DAC. Audio quality is also capped by the limitations of Bluetooth codecs, falling short of achieving transparent-level sound quality.
Advice
The Soundcore Space A40 is an excellent choice for users seeking feature-rich wireless earbuds at the 60 USD price point. LDAC support enables high-quality playback on Android devices, and the powerful ANC is effective for noise cancellation in commuting and school environments. The 50-hour extended playback is a significant benefit for users who want to reduce charging frequency. Its lightweight design causes less fatigue during extended wear, and multipoint connectivity allows for smooth switching between multiple devices. While the EarFun Air Pro 3 (approx. 53 USD) exists as a cheaper alternative, the Space A40 offers value justifying the price difference through Anker’s robust support system and mature app. For applications focused purely on audio quality, wired connections or higher-priced products are recommended. However, this product is highly recommended for those who prioritize a balance of features, price, and reliability.
(2025.7.31)