Dimensions
Size comparison
AT-SP3XP4
| AT-SP3X | P4 | Difference | |
|---|---|---|---|
| Height | 200 mm | 322 mm | −122 mm |
| Width | 125 mm | 395 mm | −270 mm |
| Depth | 136 mm | 140 mm | −4 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is AT-SP3X better than P4?
- Bluetooth version5.3 vs 5+6%
- Lowest frequency55 Hz vs 60 Hz+9%
Why is P4 better than AT-SP3X?
P4 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | 30 W | — |
| Speaker channels | — | 1.0 |
| Channel count | — | 1 |
| Lowest frequency | 55 Hz | 60 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Hi-Res Audio | Yes | — |
| Stereo | — | No |
| Battery & charging | ||
| Battery life | — | 15 h |
| Battery capacity | — | 4,000 mAh |
| Charging time | — | 7 h |
| Mains powered | Yes | No |
| Battery powered (portable) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| NFC pairing | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | — | 2,690 g |
| Width | 125 mm | 395 mm |
| Height | 200 mm | 322 mm |
| Depth | 136 mm | 140 mm |
| Features | ||
| Party / stereo pairing | — | Yes |









