Sonos Play:3 Teardown

Teardown

Teardown

Teardowns provide a look inside a device and should not be used as disassembly instructions.

Long gone are the days of analog boomboxes; say hello to portable, wireless speakers. The popularity of digital musical content demands a new and innovative way of listening to our music. Meet the Sonos Play:3 All-in-One Wireless Music Player with 3 Integrated Speakers.

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Add Note Edit Step 1 — Sonos Play:3 Teardown  ¶ 

  • Ladies and gentlemen, allow us to introduce the Sonos Play:3 all-in-one wireless* music player.

    • *Amazon puts it best: The Play:3 "easily connects to your wireless router with included Ethernet cable or wirelessly anywhere with addition of Sonos Bridge." So if you want to use it wirelessly, you'll need to shell out another $50 for the Sonos Bridge. Otherwise, Ethernet's the only way to connect to it.

  • What exactly does this all-in-one music player contain? We're glad you asked:

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Add Note Edit Step 2  ¶ 

  • The rear side of the Sonos Play:3 houses a minimal number of ports:

    • Ethernet port

    • AC 120/240 V power supply port

    • Standard ¼"-20 threaded mounting socket

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Add Note Edit Step 3  ¶ 

  • A flick of our spudger allows us to remove the speaker grille with relative ease, although the gooey adhesive on the perimeter clips was reluctant to let go.

  • Our first peek inside reveals exactly what we expected—speakers!

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Add Note Edit Step 4  ¶ 

  • What do we have here? If it isn't our good friend, the "Warranty void if opened" sticker.

    • Alas, cousin, we hardly knew ye.

  • Just as we thought, there is a hidden screw located underneath the "you shall not pass" sticker.

  • The fragile sticker comes off easily, but leaves its impression on the front bezel: a repeating pattern of the word "VOID." It seems Sonos doesn't want users servicing their own players

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Add Note Edit Step 5  ¶ 

  • Well, here's a tool we don't normally get to take out of our armory, the beefy Phillips #2 screwdriver.

    • While our bit driver kits come equipped with a #2 bit, the small driver will leave you with some very buff forearms.

  • Ten screws later, the front bezel is on its way out.

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Add Note Edit Step 6  ¶ 

  • This is what opening Pandora's box must feel like. Let's hope that this action does not have severe and far-reaching consequences.

  • Inside the Sonos Play:3 is a playground of wires and circuit boards, arranged methodically for space efficiency.

  • Before we can free the front panel assembly, we must disconnect the speaker wires and pull out what appears to be a Wi-Fi antenna.

    • So if the Sonos requires a networking cable, what's this for? More on this in just a few steps…

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Add Note Edit Step 7  ¶ 

  • How difficult is it to replace the two mid-range drivers and the one tweeter? Not very difficult. Each is held in by four Phillips screws, for a total of twelve to pull out the trifecta of music-emitters.

  • With these speakers out of the front panel, maybe we can drop something a little larger in there.

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Add Note Edit Step 8  ¶ 

  • The mid-range drivers have pretty impressive permanent magnets, accounting for 37% of the device's total 5.7 lbs.

  • Want more specs on the speakers? So did we. Since Sonos is hush-hush about them, we decided to do some poking and prodding of our own. Here's what we came up with:

    • 2 ¾" mid-range drivers (2" composite speaker cones)

    • 4.8 Ω measured resistance

    • 1" silk dome tweeter

    • 3.7 Ω measured resistance (tweeter)

  • Why do we stress that these are measured resistances? While speaker ratings are given in ohms, the unit of resistance, they're actually values of impedance, which is dependent on the specific frequency being played. Home stereo speaker impedances are usually 8 Ω, but because a multimeter can only read resistance, our measurement will be lower.

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