KLH-4
| Brand | KLH |
| Manufacturer | KLH Research & Development Corp. |
| Function | Speaker |
| Produced | 1979 |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 21.6 × 31.8 × 15.2 cm (W × H × D) |
| Frequency Response | 63Hz-20kHz ±3dB |
| Treble | 1" Dome |
| Midrange/Bass | 6" Polypropylene Cone |
| Sensitivity | 85dB/W/m |
| Impedance (Nominal) | 8Ω |
| Crossover Frequency | 2.85kHz |
| Recommended Amplifier Power | 20-60W |
| Power Handling | 60W |
| Enclosure Type | Bass Reflex |
| Enclosure Volume | 7l |
| Finish | Walnut |
| MSRP (1979) | $290 (Per Pair) |