Advent/4
| Brand | Advent |
| Manufacturer | Advent Corporation |
| Function | Speaker |
| Produced | 1979-1980 |
| Country | United States |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 27.9 × 47 × 20.3 cm (W × H × D) |
| Weight | 15lbs |
| Frequency Response | 55Hz-25kHz ±3.5dB |
| Treble | 1.75" Paper cone |
| Midrange/Bass | 8" Paper Cone |
| Sensitivity | 88dB/W/m |
| Impedance (Nominal) | 8Ω |
| Impedance (Minimum) | 6Ω |
| Crossover Frequency | 2.8kHz |
| Recommended Amplifier Power | >10W |
| Power Handling | 80W |
| Enclosure Type | Sealed |
| Enclosure Construction | Particleboard |
| Finish | Walnut-grain Vinyl |
| MSRP (1979) | $180 (Per Pair) |