Sony WF-C710N / Sennheiser MOMENTUM True Wireless 4

Sony WF-C710N: WF-C710N · Glass Blue (LZ); other colours share the same hardware

Sennheiser MOMENTUM True Wireless 4: MOMENTUM True Wireless 4 (2024); Black Graphite 700365, White Silver 700366, Black Copper 700367 (Denim and Gold were added later). The over-ear MOMENTUM 4 Wireless and the in-ear MOMENTUM True Wireless 3/5 are separate models.

SpecificationSony WF-C710NSennheiser MOMENTUM True Wireless 4
Release year20252024
TypeTrue wireless in-ear earbuds, active noise cancelling SonyTrue wireless stereo in-ear earbuds; ear-canal fit with ear fins

The box includes four sets of ear tips (XS/S/M/L) and three sets of ear fins (S/M/L).

Sennheiser
Driver5 mm SonyTrueResponse dynamic, 7 mm; 5 Hz–21 kHz; 107 dB SPL (1 kHz / 1 mW)

According to Sennheiser, audio resolution up to 24-bit/96 kHz is supported with a compatible source.

Sennheiser
Frequency response20–20,000 Hz (Bluetooth, 44.1 kHz sampling) Sony—
Battery (music)Up to 8.5 hours with noise cancelling on, up to 12 hours with it off

The figures are for one charge of the earbuds; total time with the case is not listed on Sony's page.

Sony		—
Battery (calls)Up to 4.5 hours (noise cancelling on or off) Sony—
Charging timeEarbuds about 1.5 hours; case about 3.5 hours over USB

Wireless charging is not listed for the case.

Sony		—
BluetoothBluetooth 5.3; 2.4 GHz, about 10 m effective range Sony—
CodecsSBC, AAC

There is no LDAC or aptX; AAC is a common codec that works well with iPhones and most Android phones.

Sony		—
ProfilesA2DP, AVRCP, HFP, HSP Sony—
MultipointMultipoint supported

The earbuds stay connected to two devices at once, so a phone call can be answered while listening on a computer.

Sony		—
Ambient soundAmbient Sound and Quick Attention modes; DSEE

Quick Attention lowers the music and lets outside sound in while a finger is held on the earbud. DSEE aims to restore high frequencies lost in compressed music.

Sony		—
Water resistanceIPX4

IPX4 protects against splashing water; the earbuds should not be submerged.

Sony		—
WeightAbout 5.2 g per earbud (with medium tips); case about 38 g Sony—
ColoursPink, blue (translucent Glass Blue), white, black Sony—
In the boxCharging case, hybrid silicone ear tips, reference guide, USB cable Sony—
Noise cancellation—Hybrid ANC, adaptive to surroundings; Transparency Mode

Adaptive mode sets the cancellation level automatically for the surrounding noise; Transparency Mode lets outside sound in without removing the earbuds.

Sennheiser
Bluetooth and codecs—Bluetooth 5.4 (Classic and LE Audio); SBC, AAC, aptX, aptX Adaptive/Lossless, LC3; A2DP, AVRCP, HFP, TMAP, PBP

aptX Lossless needs a Snapdragon Sound phone that supports it; an iPhone uses AAC. According to Sennheiser, Auracast broadcast listening only arrives through a firmware update. Multipoint lets it switch between two devices.

Sennheiser
Microphones—3 MEMS microphones per earbud (6 in total), beamforming noise reduction; 100 Hz–10 kHz Sennheiser
Battery—Up to 7.5 hours per charge (ANC off) / up to 7 hours (ANC on); up to 30 hours total with the case; lithium-ion, 75 mAh per earbud, 820 mAh case

Times were measured with an iPhone at medium volume (85 dB). According to Sennheiser, 8 minutes of charging gives about 1 hour of playback; the battery protect mode in the app slows charging and slightly lowers maximum capacity to extend battery lifespan.

Sennheiser
Charging—USB-C socket on the case (5 V, 1,000 mA max) and Qi wireless charging

A USB-C cable is in the box; there is no adapter.

Sennheiser
Durability—IP54 dust and splash resistance (earbuds only)

The charging case is not covered by the IP rating.

Sennheiser
Weight and size—Single earbud 6.2 g; case 66.4 g; total 72.4 g; 70.1 × 44.6 × 34.8 mm with the case Sennheiser
App—Sennheiser Smart Control for iOS and Android: 5-band EQ, Sound Personalization, Sound Zones, touch control settings

Sound Personalization was developed with Fraunhofer IDMT and builds a sound profile from the user’s reactions to sample sounds.

Sennheiser
Operating conditions—Operating 0 to +40 °C; charging 5 to 35 °C Sennheiser