The Forte IV is one of the most beloved speakers in the Klipsch Heritage range, a three-way horn-loaded floorstander whose distinctive rear passive radiator gives it surprising bass weight for its size. It delivers the energetic, room-filling Heritage sound in a more compact cabinet than the Cornwall.
A 12 inch woofer is augmented by a 15 inch rear-mounted passive radiator, with horn-loaded midrange and a titanium compression tweeter handling everything above. At 99 dB sensitivity it pairs happily with modestly powered amplifiers. Sold each, in Black Ash and American Walnut veneers.
| Type | Heritage floorstanding speaker |
| Configuration | Three-way, horn-loaded |
| Frequency response | 38 Hz to 20 kHz |
| Sensitivity | 99 dB at 2.83V / 1m |
| Nominal impedance | 8 ohms |
| Drivers | 12 inch woofer, 15 inch rear passive radiator, horn-loaded midrange and titanium tweeter |
| Inputs | Dual binding posts, bi-wire and bi-amp |
| Dimensions | 908 x 422 x 330 mm |
| Weight | 32.7 kg each |
| Finishes | Black Ash, American Walnut |
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