There are two members of the Lite2Sound QB family of photodiode amplifiers! Choose a link below for the official product page:
Lite2Sound QB Stereo (2021)
Lite2Sound QB Mono (2018)
Table. Comparing the features of our Lite2Sound QB models
| Lite2Sound QB Mono | Lite2Sound QB Stereo | |
| Release year | 2018 | 2021 |
| Technology | Analog surface mount | Analog surface mount |
| Audio channels | 1 | 2 |
| Built-in speakers | 1 | 2 |
| Sensor Type | PIN photodiode | PIN photodiode |
| Battery type | 9V | 9V |
| AC adapter input | 9V DC | 9V DC |
| AC adapter spec | Center positive, 2.1mm | Center positive, 2.1mm |
| Control knobs | Volume | Volume |
| Audio Out Jack 1 | 3.5mm Phones (dual mono) | 3.5mm stereo Phones / AUX |
| Audio Out Jack 2 | 1/4 mono | 3.5mm stereo Mic Out |
| Tripod mountable | Yes | Yes |
| Mini tripod included | Yes | No |
| Case material | Eucaboard | Solid hardwood + bakelite |
| Mass | 400 g | 350 g |