PHOTO | MODEL NAME | MANUFACTURER | TYPE | CHANNELS | VIEWS |
| Bigjoe3 Digital Power AMP | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 11059 |
| Bigjoe2 Power AMP | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 9944 |
| Mass Remote Pre-AMP | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 8632 |
| Cute Curve Headphone AMP | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 10341 |
| Cute Beyond Headphone | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 10850 |
| Bravo 24bit/96kHz Digital Processor | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 10787 |
| Korora MC/MM Phono AMP | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 10522 |
| Spitfire DAC | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 10474 |
| Fubar4 Plus DACs/Headphone AMP | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 9188 |
| Fubar4 DACs/Headphone AMP | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 7411 |
| FubarI/O DAC/ADC | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 9422 |
| Fubar3 USB DAC/Headphone AMP | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 9601 |
| Fubar2 USB DAC | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 9213 |
| Fireye1 Micro Headphone AMP | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 5682 |
| Fireye2 USB DAC/Headphone AMP | Firestone Audio Co., Ltd. Taiwan | Digital | Stereo | 6943 |