CS2 Upgrade
| Brand | Emerald Physics |
| Designer | Clayton Shaw |
| Function | Speaker |
| Produced | 2012-201? |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 47 × 121.9 × 15.2 cm (W × H × D) |
| Weight | 62lbs |
| Treble | 1" Compression Driver (Conical Waveguide) |
| Midrange/Bass | 15" Paper Cone (x2) |
| Sensitivity | 93dB/2.83V/m |
| Enclosure Type | Open Baffle |
| Connections |
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| Notes | Passive crossover upgrade of existing CS2 to CS2P variant. |