In depth comparison and review of Erato Apollo 7S and Bowers & Wilkins PI3. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Erato Apollo 7S | Bowers & Wilkins PI3 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 40 cm | |
| Width | 1.54 cm | 3 cm | |
| Depth | 2.22 cm | 4 cm | |
| Weight | 4 g | 31.8 g | Erato Apollo 7S are lighter than Erato Apollo 7S headphones. |
| Dimensions & Weight Details | Charging case: 6.25 cm x 4 cm x 2.55 cm / 52 g | - | |
| Colour | Black | Space grey | Rose gold | Silver | Blue | Gold | Space grey | |
| Protection | Weatherproof, sweat-resistant, IPX5 | Water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Erato Apollo 7S | Bowers & Wilkins PI3 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Balanced armature | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Bowers & Wilkins PI3 have a more advanced version of Bluetooth than Erato Apollo 7S. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Generic Attribute Profile (GATT) | |
| Bluetooth Audio Codec | - | aptX | |
| Noise Isolating | - | Yes | Bowers & Wilkins PI3 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | 3D Surround Sound | - | |
| Frequency Response | 20 - 20000 Hz | 10 - 30000 Hz | Bowers & Wilkins PI3 offer a larger frequency range than Erato Apollo 7S. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 100 dB | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 5.8 mm | 9.2 mm | Bowers & Wilkins PI3 have a thicker diaphragm than Erato Apollo 7S. |
| Features | Bluetooth aptX technology | Dual driver | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Erato Apollo 7S | Bowers & Wilkins PI3 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable | |
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -42 dB | - |
| REMOTE CONTROL | Erato Apollo 7S | Bowers & Wilkins PI3 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Volume |
|---|
| CABLE | Erato Apollo 7S | Bowers & Wilkins PI3 |
|---|
| Cable Type | USB charge cable | USB-C to USB-A cable - 20 cm |
|---|
| BATTERY AND CHARGING | Erato Apollo 7S | Bowers & Wilkins PI3 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 4 hours | 8 hour(s) | Bowers & Wilkins PI3 lasts longer on a single charge than the Erato Apollo 7S. |
| Battery Life Details | Continuous talk: up to 4 hours Continuous playback: up to 3 hours |
- |
| OTHERS | Erato Apollo 7S | Bowers & Wilkins PI3 |
|---|
| Included Accessories | 3 pairs of Comply foam ear tips, charging case, 3 pairs of ear stabilisers (small, medium, large) | Carrying pouch, 3 pairs of ear tips (small, medium, large), USB-C charging cable | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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