TAS-Challenger
| Brand | Kustom Acoustics |
| Manufacturer | Kustom Acoustics Inc. |
| Function | Speaker |
| Produced | 1977 |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 58.4 × 104.1 × 40.6 cm (W × H × D) |
| Weight | 185lbs |
| Frequency Response | 28Hz-22kHz ±3dB |
| Supertweeter | 1" Dome |
| Treble | 2" Dome |
| Midrange | 5" Cone (x2) |
| Bass | 12" Paper Cone (x2) |
| Impedance (Nominal) | 4Ω |
| Impedance (Minimum) | 2Ω |
| Impedance (Maximum) | 9Ω |
| Crossover Frequencies | 550Hz, 3.5kHz, 9kHz |
| Recommended Amplifier Power | >10W |
| Enclosure Type | Transmission Line (TAL (Tapered Acoustical Line)) |
| Finish | Walnut |
| MSRP (1977) | $735 |