Do Portable Monitor Speakers Actually Work? A Realistic Look

Almost every portable monitor lists built-in speakers, and almost every review glosses over them. The honest answer is that they work, but only for a narrow set of jobs. Understanding what they can and cannot do saves you from buying a monitor for its audio, and helps you get better sound out of the one you already own.

What Is Actually Inside

Most portable monitors use two small drivers, typically one to two watts each, mounted facing the rear of the chassis or firing downward through slots. The enclosure is a few millimeters deep with almost no volume, which is the single biggest limitation. Small drivers in shallow boxes cannot move much air, so bass is largely absent and midrange is thin.

Some premium models include a slightly larger chamber or a passive radiator. These sound noticeably better, but they are still limited by physics. No portable monitor will match even a modest Bluetooth speaker.

What They Do Well

• Video calls: voices are clear enough, and you avoid headphone fatigue during long meetings.
• Casual video: news, tutorials, and background watching at low volume.
• Backup audio: when the laptop’s speakers are muffled by a stand or a case.
• Presentations to one or two people: adequate in a quiet room.
• System sounds: notifications and alerts without extra hardware.

In each case, the content is speech-forward and the listening distance is short. That is the sweet spot.

Where They Fail

• Music: no low end, and distortion arrives early as you raise the volume.
• Movies with effects: explosions and soundtracks flatten into a shouty midrange.
• Group viewing: volume runs out before the room fills.
• Anything with bass: the enclosure cannot produce it, and equalizer tricks only add distortion.

If you hear buzzing at higher volumes, the driver is hitting its limit. Turn it down rather than pushing it; sustained distortion can damage small drivers.

Why Your Speakers Might Not Be Working

Before assuming the hardware is faulty, check the signal path. Portable monitors often carry audio over HDMI or USB-C, and the computer may still be sending sound to its own speakers.

1. Open the operating system’s sound settings and select the monitor as the output device.
2. Check the monitor’s on-screen menu for a volume setting and a mute state.
3. Confirm the cable carries audio; some USB-C cables are video-only.
4. Test with the HDMI input if the monitor has one, which isolates the USB-C path.
5. Try a different source device to rule out the computer.

Our guide to fixing portable monitor audio problems covers static, delay, and no-sound cases in more detail.

Getting Better Sound Without Replacing the Monitor

Use the headphone jack

Many monitors include a 3.5 mm output. Feeding powered speakers from that jack uses the monitor only as a pass-through, which is usually cleaner than its internal amplification.

Connect a small USB or Bluetooth speaker

A compact speaker the size of a coffee cup will outperform the monitor’s built-in drivers in every way. Pair it with the laptop directly rather than through the monitor to avoid Bluetooth delay on video.

Route audio to a soundbar

If the monitor is part of a desk setup with an HDMI switch, send audio to a soundbar and leave the monitor muted. This also avoids the volume mismatch between the two devices.

A Word on Latency

Bluetooth audio introduces a delay of 100 to 300 milliseconds, which is noticeable when watching someone speak. Wired speakers or the monitor’s own drivers stay in sync. If you use Bluetooth, look for a transmitter with a low-latency codec, or accept the lip-sync error.

Should Built-In Speakers Influence Your Purchase?

Only as a tiebreaker. Two monitors with similar panels and ports can be separated by speaker quality, but audio should never be the main reason to choose one. Treat the speakers as a convenience for calls, not as a sound system.

If you mainly use the monitor for video calls, built-in speakers are genuinely useful and may save you from wearing a headset all day. If you plan to watch films, budget for separate speakers from the start.

Bottom Line

Portable monitor speakers are a practical extra, not a feature to pay a premium for. They handle speech well and music poorly, which matches how most people use a second screen. Set your expectations there, and you will rarely be disappointed.

Run a one-minute test: play a podcast, then a bass-heavy song. Whatever you hear in that minute is the honest limit of the hardware.