FiiO BTR13chat_bubble_outlineFrom real comments

Power and value stand out for the price. Multiple commenters note the BTR13 offers output power very close to the pricier BTR5, while also letting users choose between internal and external power sources. Coming from a BTR3, one user called it a big step up. For the price point, another commenter felt it seemed pretty nice overall, suggesting the BTR13 delivers solid performance relative to its cost compared to FiiO's other dongle DACs.

The built-in clip divides opinion. FiiO bringing back the built-in shirt clip pleases users who relied on it with the BTR3 and used that model more often specifically because of the clip. But at least one commenter argues the clip makes the BTR13 significantly bulkier than the clip-less BTR15, claiming price is the only remaining advantage once that size benefit is gone, making the clip a genuine trade-off rather than a pure positive.

Microphone performance is impressive but inconsistent to set up. One commenter was won over enough by the microphone quality to plan converting wired headphones into a wireless headset using the BTR13, calling the mic sound amazing. However another buyer reported difficulty getting phone calls or recordings to actually capture audio from the BTR13's mic over Bluetooth, with the phone defaulting to its own built-in mic instead, and no mute button is confirmed across the BTR line.