PHOTO | MODEL NAME | MANUFACTURER | TYPE | CHANNELS | VIEWS |
| Bigjoe3 Digital Power AMP | Firestone Audio Co., Ltd. | Digital | Stereo | 11094 |
| Bigjoe2 Power AMP | Firestone Audio Co., Ltd. | Digital | Stereo | 9987 |
| Mass Remote Pre-AMP | Firestone Audio Co., Ltd. | Digital | Stereo | 8664 |
| Cute Curve Headphone AMP | Firestone Audio Co., Ltd. | Digital | Stereo | 10383 |
| Cute Beyond Headphone | Firestone Audio Co., Ltd. | Digital | Stereo | 10902 |
| Bravo 24bit/96kHz Digital Processor | Firestone Audio Co., Ltd. | Digital | Stereo | 10816 |
| Korora MC/MM Phono AMP | Firestone Audio Co., Ltd. | Digital | Stereo | 10564 |
| Spitfire DAC | Firestone Audio Co., Ltd. | Digital | Stereo | 10509 |
| Fubar4 Plus DACs/Headphone AMP | Firestone Audio Co., Ltd. | Digital | Stereo | 9222 |
| Fubar4 DACs/Headphone AMP | Firestone Audio Co., Ltd. | Digital | Stereo | 7443 |
| FubarI/O DAC/ADC | Firestone Audio Co., Ltd. | Digital | Stereo | 9456 |
| Fubar3 USB DAC/Headphone AMP | Firestone Audio Co., Ltd. | Digital | Stereo | 9631 |
| Fubar2 USB DAC | Firestone Audio Co., Ltd. | Digital | Stereo | 9248 |
| Fireye1 Micro Headphone AMP | Firestone Audio Co., Ltd. | Digital | Stereo | 5703 |
| Fireye2 USB DAC/Headphone AMP | Firestone Audio Co., Ltd. | Digital | Stereo | 6967 |