ACwO DwOTS 747 vs Sony WI-SP510 – Which One Should You Buy? (2026)

One Year Warranty. IPX5 Water & Sweat Resistant. Premium Chrome Finish : Designed with an chrome finish, the DwOTS 747 earbuds offer a refined and stylish look. The smooth texture not only adds elegance but also resists wear and tear, making them the perfect blend of luxury and longevity. ANC Up To 32dB : Immerse yourself in a serene soundscape with advanced Active Noise Cancellation that suppresses up to 32dB of ambient noise. From bustling streets to crowded public spaces, tune out distractions and indulge in pure, undisturbed audio. Dual Device Connectivity : Transition seamlessly between two connected devices without delays or interruptions. Whether youâ€™re taking a call from your laptop or streaming music on your phone, the earbuds intuitively handle the switch, ensuring your focus stays uninterrupted. Digital Battery Display : Stay in control of your usage with an advanced digital display that provides accurate, real-time battery updates for both the earbuds and the charging case. With this smart feature, you'll always know how much power is left and can plan your recharge accordingly. 4 Noise Cancellation Mics With AI-ENC : Featuring four precision-engineered microphones powered by AI Environmental Noise Cancellation, these earbuds capture your voice with exceptional clarity. Even in noisy settings like airports or busy offices, your conversations will sound as though youâ€™re in a quiet room.

Water resistant and washable with IPX5 rating EXTRA BASSâ„¢3 for deep, punchy sound Easy hands-free calling and voice assistant BluetoothÂ® wireless technology Up to 15 hours of playback from a single charge Turbo-charge your workouts Easy operation with buttons Conversation flows freely with easy hands-free calling, thanks to the built-in microphone Stream your favourite tracks from your smartphone with Blutooth wireless technology The soft, flexible and lightweight neckband design is shaped for comfortable, all-day wearing Conversation flows freely with easy hands-free calling, thanks to the built-in microphone

Key Differences

The frequency response differs (20 Hz - 20000 Hz vs 20Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. Sony WI-SP510 and ACwO DwOTS 747 offer different noise cancellation capabilities (No vs AI-Environmental Noise Cancelling), which can impact how effectively they block external noise. There is a noticeable difference in weight (30 gm vs 43 GM), which may affect comfort during extended use. Battery life varies between the two (15 Hours vs 65 Hours), which affects how long you can use them on a single charge. Sony WI-SP510 and ACwO DwOTS 747 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Impedance levels vary (NA vs 140 Ohms), which can affect compatibility and audio output when used with different devices. The driver size differs between the two (12 mm vs 13 mm), which can influence sound depth, bass response, and overall audio clarity. Sony WI-SP510 uses Bluetooth 5.0 while ACwO DwOTS 747 supports Bluetooth 5.4, which can impact connectivity stability and efficiency.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.

Top Differences

Battery Life: 15 Hours vs 65 Hours
Noise Cancelling: No vs AI-Environmental Noise Cancelling
Driver Size: 12 mm vs 13 mm
Bluetooth: 5.0 vs 5.4
Weight: 30 gm vs 43 GM

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Key Differences

Top Differences