Built-in calibrated microphone, input for AC power / charging adapter
(included), Line Input.
Controls for display / level decay (Fast & Slow), Input Display (Line Level,
Line RTA, Mic RTA,
Mic Leve), and Level for Mic / Line SPL (dB).
Battery works fine, though the battery cover door is taped on.
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The AudioSource RTA-One is in very good cosmetic condition, and is fully
functional.
This includes the AudioSource RTA-One and the AC Power Adapter / Charger.
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