Matisse IV
| Brand | Aztec |
| Manufacturer | Aztec Manufacturing Company |
| Function | Speaker |
| Produced | 1966 |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 86.4 × 69.2 × 41.3 cm (W × H × D) |
| Weight | 72lbs |
| Frequency Response | 25Hz-20kHz ±5dB |
| Treble | 3"x6" Exponential Horn (Diaphragm: Phenolic) |
| Midrange | 4"x10" Exponential Horn (Diaphragm: Phenolic) |
| Bass | 15" Paper Cone |
| Impedance (Nominal) | 8Ω |
| Crossover Frequencies | 1.2kHz, 9kHz |
| Power Handling | 40W |
| Enclosure Type | Bass Reflex |
| Finish | Walnut |
| MSRP (1966) | $259.95 |