Boxer T4
| Manufacturer | Coastal Acoustics |
| Function | Speaker |
| Produced | 2002-2006 |
| Country | United Kingdom |
| Form Factor | Floorstanding / Stand Mounted |
| Signal Path | Passive Hardware |
| Treble | 38mm Soft Dome (SD380) |
| Midrange | 100mm Soft Dome (SD1000) |
| Bass | 315mm Cone (x4) |
| Enclosure Type | Bass Reflex (Fourth Order) |
| Enclosure Q | 0.5 (Critically Damped) |
| Enclosure Construction | 50mm MDF, 36mm MDF |
| Finish | Hand-lapped Piano Black Lacquer, Textured Black Two-Part Epoxy |