Before using a WSP-4 input, identify the source device, its intended output and the current WSP-4 instructions for that route. The product overview lists Bluetooth playback and analogue Line-in, but those labels are not a complete connection plan. A short source map helps you ask the right questions without assuming codec support, pairing behaviour or compatibility from a connector's appearance.
Write the route before changing it
Start with the device holding or streaming the music. Note which output you intend to use and where you expect the signal to arrive. Keep device identities and input labels separate from account details. Never include passwords, access tokens or private network information in a note shared for setup advice.
If a role is unclear, mark it as a question. Do not infer that every port is an audio output or that any wireless feature can send music to any receiver. A map is useful precisely because it exposes missing information before a connection is attempted.
Treat Bluetooth as a confirmed mode, not a badge
The Bluetooth SIG overview describes the technology at a general level. It does not certify a specific WSP-4 codec, version, latency or multi-device behaviour. Ask Miu Audio which current instructions apply to pairing your source and how to identify the intended receiving unit.
Also ask how to change sources and what to do if a previously used device reconnects. These are practical questions, not behaviour guaranteed by this article. Avoid guessing from the controls of an unrelated product. If your intended source cannot be confirmed, do not treat the presence of a Bluetooth label as proof that the whole route is ready.
Confirm the analogue output separately
For a proposed wired route, identify the source's output function and ask whether it is appropriate for the WSP-4 input. Do not assume that a matching plug establishes a suitable signal role or level. Get the exact input and output instructions before connecting, and follow the equipment's safe power and connection routine.
Keep the proposed route to one clear sequence rather than adding adapters to solve questions you have not identified. If an adapter is necessary, ask what problem it solves and whether it is appropriate for the confirmed equipment. This guide supplies no wiring modification, terminal conversion or passive-bypass procedure.
Compare routes only after both are confirmed
If you want to compare wireless and wired playback, first establish that each route is supported and correctly configured. Use the same recording edition and note relevant source settings. Keep playback comfortable and do not let a volume difference become the entire explanation for a preference.
Record the route actually used for each pass. A comparison involving different apps, editions or processing cannot isolate the connection alone. Write a narrow conclusion about your experience, not a universal claim that one connection method always sounds better or that a codec not verified for this model was responsible.
Leave with a usable connection note
Your final map should identify the source, confirmed output, WSP-4 input or mode, applicable instructions and unresolved questions. Date it so that a later device or app change does not silently replace the starting conditions. Keep the note with the product documentation rather than turning it into a public list of private device identifiers.
For model context, learn more about WSP-4. Browse Miu Audio guides or contact Miu Audio to confirm the proposed route. This article is educational preparation: current availability, compatibility and purchase arrangements must be established separately.
Frequently asked questions
Does this guide confirm a Bluetooth codec for WSP-4?
No. A general technology overview cannot establish a model-specific codec or version. Ask for current WSP-4 documentation for the actual unit and proposed source.
Can matching plugs still represent an unsuitable connection?
Yes, connector shape alone does not establish the intended signal role. Confirm the output and input functions with the relevant instructions before connecting the equipment.
Can I compare Bluetooth and Line-in using different tracks?
You can enjoy different music, but that does not isolate the connection method. Use the same edition and record other settings when making a narrower comparison.
Does the map need my wireless password?
No. Keep credentials and account information out of shared setup notes. Model identities, signal roles and the relevant instructions are the useful information for this planning exercise.
Sources and scope
Miu Audio Featured Products lists the WSP-4 connection features. Bluetooth SIG Technology Overview supplies general technology context. No codec, compatibility, stock or model-specific operating procedure is certified here.