Audio setup

Why an external audio interface changes everything

4 min read · Beginner
The essentials in 10 seconds
  • The built-in sound card is not made for playing: no instrument input, a microphone that picks up everything, and a latency Jamodio cannot verify. In your bubble, it shows up under “Hardware not counted”.
  • An external USB audio interface has its own converters and a driver that talks straight to the hardware: it is what brings the latency down on your side. On Windows it is essential: Jamodio only accepts its ASIO driver.
  • Minimum budget: €40–60 for something that just works.
  • Headphones must be plugged into the audio interface, not into the computer.
  • Once you've picked your card: configure it (selection + 48 kHz).

The problem with the built-in sound card

All computers have a built-in sound card. It's perfect for watching videos, listening to music, making calls. But for playing music in real time with other people, it has a deal-breaker flaw: latency.

Built-in sound card
Not counted
Goes through the system mixer; its latency is declared, never verified
→
External USB audio interface
Measurable
Dedicated converters, direct driver: short audio blocks the bubble measures

To put it in perspective: in air, sound travels about 34 cm per millisecond. That is the equivalence your bubble shows (“as if Tony were playing 7 metres away from you”). A built-in sound card does not even enter that calculation: what it declares is not verified, so not counted. You play with a delay nothing displays.

Why does the system add latency?
It mixes sounds from all your apps (music, notifications, browser…) before sending the result to your sound card. That mixing takes time, an acceptable trade-off for everyday use, not for playing. And that time, the driver announces without measuring it: that is why the bubble shows it separately, under “Hardware not counted”.

What a USB audio interface brings

An external USB audio interface bypasses the system mixer. It has its own digital-to-analog converters (DAC) and talks directly to the processor. Result: processing latency drops to 2–6 ms.

Instrument
→
USB audio interface
→
Direct USB
→
Jamodio

Bonus perks: XLR input for microphones, jack input for guitar/bass, headphone output with volume control, 48V phantom power for condenser mics — everything you need for a real session.

Which interface should you pick?

No need to spend hundreds of euros. Here are the options based on your budget:

€40 – 60
To get started
  • Behringer UM2 — 1 XLR/Jack combo input, 1 Jack instrument. Gets the job done.
  • Behringer UMC22 — slightly better, MIDAS preamp.
Good enough to play with Jamodio
€120 – 180
If you need 2 inputs
  • Focusrite Scarlett 2i2 — 2 independent inputs (guitar + mic at the same time).
  • PreSonus AudioBox USB 96 — solid alternative.
Ideal for voice + instrument simultaneously

What about headphones?

Bluetooth = +150 to 300 ms of latency.
AirPods, Sony WH-1000XM5, Bose QC and all Bluetooth headphones add a significant delay — it's inherent to the wireless audio protocol. Live, you'll hear yourself play after striking the strings.

Wired headphones plugged into the audio interface — that's the only rule. Any wired headphones work. No need to spend €300:

Plug headphones into the audio interface, not into the computer.
The interface's headphone output uses the same direct driver. In Jamodio, pick it as your Monitoring output (Audio settings → Audio output), with your headphones' channel pair.
Picked and plugged in your card? Time to configure it.
Selecting input and output in Jamodio, setting 48 kHz (required), the ASIO driver on Windows (required) — it's all in the dedicated guide: Configure your audio interface.
If it does not work
  • Jamodio does not see your interface: plug it straight into the computer (not a hub), before launching the Audio Engine. On Mac it shows up on its own; on Windows it needs its ASIO driver → ASIO on Windows.
  • Your bubble still shows “your sound card” under Hardware not counted with a big figure: the chosen input is still the built-in mic. Open Audio settings → Audio input and select the interface.
  • The sound is weak or clips: gain is set on the interface (the physical knob) then in your strip, under MY SEND. Jamodio warns you if your send clips.
  • You hesitate between two models: for Jamodio, what counts is the manufacturer's driver (ASIO on Windows) and 48 kHz. Every one listed here does that.

Still stuck? Write to support@jamodio.com: we reply within 24 hours.