Echo 15+
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Driver (6)
Firmware (0)
Manual (2)
FAQ (6)
IDArticle TitlePost Date
909 What is the impedance of the audio ports?Jan-15-18
The headphone and speaker output minimum load impedance specification is 32 ohms. At 32 ohms the full scale output voltage is 0.82 Vrms at 4.8 kHz.

The microphone amplifier input impedance is typically 20K ohms.
 
916 The Left and Right Audio Channels on the Echo 15+ Dock are reversed. How do I fix this?Jul-26-17
955 Can I use Seagate Iron Wolf drives; or Hitchai and WD drives 8TB and larger?May-31-18
958 Does it make a difference which SATA connector is used for the optical drive?Oct-18-17
Yes, the DVD must be connected to the connector that is the USB 3-to-SATA bridge for full compatibility with macOS. It's the SATA connector closest to the front, which is the connector closest to the 4-pin molex power connector.
 
986 Which optical drives can I install in the Echo 15?Dec-29-17
1030 My Echo Dock 15+ Pro (with Blu-ray Burner) is having problems burning DVD+R DL discs with Toast 17 Pro on macOSOct-24-18