XLR + Guitar: Why Nimbus Has Two Combo Inputs

Posted by Landon McCoy on

Nimbus specifications updated September 10, 2026. Nimbus is currently available for preorder. See the current product page for specifications, pricing and the latest delivery estimate.

Nimbus has two XLR / ¼-inch combo inputs with independent input volume controls. This gives a guitarist room for a second instrument or microphone without changing the amp’s basic role in the setup.

What is a combo input?

A combo socket accepts either an XLR plug or a ¼-inch plug. You use one connector type per socket at a time. Two combo sockets give you two physical inputs; they do not, by themselves, establish what power, gain, effects routing or recording channels a device supports.

A microphone’s connector and its power requirements are separate questions. Before connecting a condenser microphone or other powered source, check the current Nimbus documentation and the microphone’s instructions. Do not assume that an XLR socket supplies phantom power.

Guitar and vocals

A singer-songwriter can connect an instrument to one input and a compatible vocal microphone to the other. Independent input volume controls help balance the two sources. Start at low levels and check each source separately before combining them.

Use the headphone output for quieter practice or the stereo speakers for room playback. Keep the microphone positioned to reduce feedback, and assess whether the venue needs additional PA support.

Two instruments

The second input can also be useful when switching between guitars, demonstrating a part with another player or working with another compatible instrument. Check the source level and input requirements, especially when connecting line-level equipment.

Native NAM A2-Lite playback supports one compatible NAM model at a time alongside effects and IRs. Two inputs should not be interpreted as a promise of two simultaneous independent NAM chains.

Recording and streaming

Nimbus includes a USB-C audio interface. Use the current setup documentation to confirm the channels and routing available to your DAW or streaming application. Two physical inputs do not automatically mean that each arrives as a separate isolated USB track.

Set levels before recording, check for clipping and listen to a short test take. Monitoring latency depends on the complete signal path, including computer buffering when you monitor through software. Select a monitoring approach that fits the supported configuration.

Planning a practical setup

  1. Choose the two sources you want to connect.
  2. Confirm cable type, source level and microphone power requirements.
  3. Balance the inputs with their independent volume controls.
  4. Choose speakers, headphones or line outputs for monitoring.
  5. For recording, confirm USB routing and test your software configuration.

The current Nimbus design pairs these inputs with 100W stereo amplification, custom PowerBass collaboration speakers, stereo line outputs and a headphone output. Nimbus is available for preorder; see current specifications and delivery details before planning a session around it.

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