SE-4
| Brand | Pioneer |
| Function | Headphones (Supra-aural open air headphone) |
| Produced | (1977-1990) |
| Weight | 7.6ozs |
| Frequency Response | 20 - 20K |
| Notes | Leather like vinyl head band and ear pads are used in the construction of the Pioneer SE-4 headphones. Type: open headphone Frequency Response: 20Hz to 20kHz Maximum input: 200mW Cord Length: 300cm Weight: 7.6ozs Price: USD $50 (1980) Year: 1980 |