Samsung Galaxy S25 Ultra speaker quality Review & Buying Guide: Features, Trade-Offs & Value

② Expert Analysis

Every figure below is labelled by origin. No listening measurement was produced for this review.

The absence is the finding

Start with what Samsung does not say, because it shapes everything else in this review. Samsung publishes no loudness figure for the Galaxy S25 Ultra — no decibel rating, no “loudest ever” claim, no volume specification of any kind in the materials checked — and no microphone count or quality wording either. That is not an oversight in this article; it is the state of the manufacturer’s own documentation. A review that filled those gaps with a sibling model’s loudness number or a guessed microphone count would be inventing the very figures a buyer is trying to compare. So this review prints no loudness number at all: the laboratory’s “Very Good” rating stands on its own, and the microphone side of call quality is left openly unrated.

What the laboratory actually found

GSMArena’s laboratory test of this exact model gives the speakers a “Very Good” loudness rating (third-party lab result) — the same rating as the previous generation, and, in the laboratory’s own words, “even down to the numerical result for integrated loudness”. That sameness is informative: loudness did not move a generation, even though the phone around the speakers changed. What did move, slightly, is the tuning. Sound reproduction is very similar to the previous generation’s, with only subtle differences — a bit more low-end weight in certain tracks (third-party lab finding). The laboratory’s comparison is equally plain: it would still pick this phone’s speakers over the leading Pixel rival’s, while the leading iPhone rival remains ahead in this category. In plain terms, these are loud, clean, well-tuned phone speakers that sit in the same class as most other flagships — strong, but not the class leader.

The layout, and why it matters in the hand

The hardware is the usual hybrid stereo arrangement: one speaker on the bottom, and another up top that also serves as the earpiece (manufacturer specification). Two details from the laboratory’s test are worth knowing before judging the sound. First, Samsung keeps the channels separate rather than sending lower levels of each channel to the opposite speaker, as some makers do — so stereo separation is real, not simulated. Second, the bottom speaker is a touch louder than the top one, which is normal for this layout and means the soundstage tilts slightly toward the bottom edge when the phone is held in landscape. Neither detail is a flaw; both explain why the speakers can sound slightly uneven if one grille is covered by a finger or a case edge — and why a case that blocks the bottom grille will do more damage to the sound than one that covers the top.

What “Very Good” does and does not promise

A “Very Good” loudness rating is a laboratory judgement about volume and measured response, not a promise that every track will sound full. Phone speakers are physically small, and the laboratory’s own praise is for tuning and loudness, not for bass depth: the extra low-end weight it notes is relative to the previous generation, in certain tracks, not a claim that this phone reproduces deep bass. A buyer who listens mostly to voices — calls on speaker, podcasts, video — will get the best of these speakers. A buyer who wants room-filling music should plan on an external speaker or headphones, as with any phone. And because the laboratory measures loudness in LUFS and publishes a frequency-response chart against an ideal flat line, its rating is comparable with other phones the same laboratory tested — but the numbers from those other tests are not this model’s numbers, and none of them is printed here.

When a speaker problem is a repair, not a review

Three speaker symptoms belong to the repair guides below, not to this review’s verdict. A speaker that sounds muffled or quiet after liquid exposure may have water in the grille or damage behind it — Samsung’s IP68 rating covers lab conditions (1.5 m freshwater for up to 30 minutes) and is not permanent, and liquid damage is not covered by Samsung’s standard warranty. A speaker that crackles or cuts out at volume may have a damaged driver or a loose connection. And a speaker that produces no sound at all while the earpiece still works — or the reverse — points to one side of the hybrid pair, not to the phone’s tuning. In all three cases the fix is diagnosis first: Samsung publishes no speaker-only price, so the quote comes after assessment, and the same applies to microphone faults.

Before calling the speakers weak

Run the checks in order: the volume and any volume limit, the case (a blocked bottom grille tilts the whole soundstage), the grilles themselves (pocket lint and dust muffle more than most owners expect), and whether the symptom follows the phone across apps — a single app’s quiet audio is the app’s problem. If the speakers are quiet or distorted in every app, with clean grilles and no case in the way, the fault is in the phone — and the speaker and microphone guides below are the next step.