Why Is the Sony MDR-ZX110NC 220 Ohms With Power On but 45 Ohms Off?
Sony specifies two impedance values for the MDR-ZX110NC: 220 ohms with the noise-canceling power on and 45 ohms with it off.
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What Plug Does the Sony MDR-ZX110NC Use?
The Sony MDR-ZX110NC uses a standard L-shaped 3.5 mm stereo mini plug on a roughly 3.94-foot wired cable.
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Does the Sony MDR-ZX110NC Come With an Airplane Adapter?
Sony lists an in-flight plug adapter in the MDR-ZX110NC box, though Sony notes that it may not work with every in-flight entertainment system.
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Do Sony MDR-ZX110NC Headphones Cancel Voices?
Not especially well. Sony says the MDR-ZX110NC noise canceling is most effective on low-frequency sounds and less effective on higher-frequency sounds such as human voices.
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Do Sony MDR-ZX110NC Headphones Work Without a Battery?
Yes. Sony says the MDR-ZX110NC automatically switches to passive mode when the AAA battery is empty, though the sound changes and active noise canceling stops.
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What Battery Does the Sony MDR-ZX110NC Use, and How Long Does It Last?
The Sony MDR-ZX110NC uses one AAA battery. Sony rates alkaline AAA battery life at about 80 hours for the noise-canceling circuit.
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Hayward SP1592 vs SP1593: What Is the Difference?
The SP1592 is the 1 HP Power-Flo Matrix model; the SP1593 is the 1-1/2 HP model. Both are listed as 115V pumps in the same family.
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Can the Hayward SP1592 Be Used With a Sand Filter?
Yes. Hayward has sold the SP1592 as part of a ProSeries sand-filter system, but filter compatibility still depends on plumbing and system sizing.
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Can the Hayward SP1592 Discharge Horizontally or Vertically?
Yes. The Hayward Power-Flo Matrix design can convert between horizontal and vertical discharge orientation.
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How Do You Winterize a Hayward SP1592 Power-Flo Matrix?
Hayward’s Power-Flo Matrix instructions call for draining the pump and piping and storing the pump dry when freezing temperatures are expected.