Studio MonitorOverreview

Genelec 8320A

Genelec's smallest smart monitor — strikingly accurate for its size, but it wants a sub and the GLM kit to give its best.

25 sourcesUpdated
$1,700 / pairTypical US price for two · sold individually ($850 each)

Score aggregates reviewer opinions across topics.

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Genelec 8320A

The short version

What to know.

A very small two-way active monitor whose Klippel measurement (Audio Science Review) shows a smooth, well-controlled response with some directivity error at the crossover, and bass to about 59 Hz (−6 dB). Sources agree on accurate, neutral tonality, high detail, precise imaging, rugged build and easy placement in small rooms, and most rate the GLM room calibration highly. Opinion splits on bass — measured as clean and enough for desk listening by some, clearly short of full range by others who add a subwoofer — and on headroom, which is fine at the desk but distortion rises quickly at higher levels in the low end. Software-only control and the lack of a digital input divide owners, and its value depends on whether you would otherwise do room EQ yourself on the analog 8020D.

About this product

Genelec's 4-inch Smart Active Monitor (SAM), on sale since the end of 2014 and sold singly in dark grey, white, black and raw aluminium — all the same speaker. It shares its cabinet, drivers and amplifiers with the analog 8020D but adds DSP and room calibration through Genelec's GLM software, whose adapter-and-microphone kit is sold separately or in stereo packs. Unlike the larger 8330A it has an analog input only, with no AES/EBU digital input. Not the 8020D, the 5-inch 8330A or the coaxial 8331A. A pair costs about $1,700 in the US as of November 2026 ($850 each); European prices run far lower.

The 8320A is the smart version of Genelec's 4-inch nearfield: the same compact die-cast aluminium cabinet, small cone woofer and 3/4-inch metal-dome tweeter as the analog 8020D, but with DSP and Genelec's GLM software, which measures the room with a supplied microphone and stores a correction inside each speaker. There are no knobs or switches on the back, and — unlike its bigger 8330A sibling — no digital input, just one analog XLR. It launched at the end of 2014; a pair costs about $1,700 in the US, plus the GLM kit.

Reviewers and owners agree that it is accurate, detailed and precise in the stereo image, built like a small tank and easy to fit into a tight room. The arguments are about what a 4-inch woofer can do — whether the bass is enough without a subwoofer and how loud it can go — and about the GLM premium over the cheaper 8020D.

A good fit for

  • Nearfield monitoring at a desk in a small or untreated room, where GLM calibration does the most good
  • Very close listening distances, where the small cabinet sums better than larger monitors
  • Mobile and location work, or as compact surround and height speakers in a Genelec system
  • A 2.1 setup with a Genelec SAM subwoofer, which GLM aligns automatically

Think twice if

  • You mix bass-heavy music and won't add a subwoofer — the response is 6 dB down near 59 Hz
  • You want to play loud in a larger room
  • You need a digital input — this model is analog-only, unlike the 8330A
  • You already do your own room EQ on the computer — the analog 8020D costs less

The reviewer consensus

Agreement &
disagreement.

6 / 14topics divide opinion
5 Strong agreement3 Mostly agree6 Divided opinions

Common ground4

  • Accurate, neutral tonality with high detail and clarity for the size
  • Precise imaging with a stable phantom centre
  • Tiny, light and easy to place — it works especially well very close to the listener

Points of contention4

  • Bass: clean and enough for desk listening vs clearly short of full range without a subwoofer
  • Headroom: loud and punchy at the desk vs low-frequency distortion rising at higher levels
  • GLM: a transformative calibration vs an extra-cost kit, software-only controls and no digital input

A closer listen.

14 topics · 6 divided
Left: criticalRight: positiveTighter lines: more agreement

Tonality

PositiveStrong agreement
Reviewer sentiment9 supporting sources
CriticalNeutralPositive

Band: opinion spread · Dot: weighted average

Broadly called accurate and neutral. Audio Science Review found it smooth with wonderful tonality, Sound On Sound heard the characteristic clear Genelec sound before calibration, hifitest calls it extremely neutral, a Reddit owner's long essay calls the response very linear, and Thomann buyers and a video reviewer say it adds no colour. The same Reddit owner adds that the honesty comes at the cost of musicality — it is a tool, not a hi-fi voicing.

“It is smooth and has wonderful tonality.”

Audio Science Review (amirm, nearfield listening test)

“Sie sind extrem neutral und unbestechlich im Klang, robust und praktisch unzerstörbar”

Michael Voigt, hifitest.de (German: “they are extremely neutral and incorruptible in sound, robust and practically indestructible”)

“The frequency response is very linear across the entire frequency range.”

ekortelainen, r/audiophile (owner, with GLM calibration)

Measured

Audio Science Review (Klippel NFS): a smooth, controlled on-axis and listening-window response with some directivity error around the crossover. spinorama.org computes a preference score of 5.52 from that data (8.04 with an ideal subwoofer). Genelec specifies ±1.5 dB from 66 Hz to 20 kHz.

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The hardware

Specifications.

Checked

Design

Type
Active bookshelf / standmountamplifiers built in
Ways
2-way
Enclosure
Ported, rear port
Cabinet
die-cast aluminium (Minimum Diffraction Enclosure)

Drivers

Drivers
1 × 105 mm cone woofer + 1 × 0.75″ (19 mm) dome tweeter (metal dome, Directivity Control Waveguide)105 mm woofer + 0.75″ (19 mm) tweeter

Acoustic

Frequency response
66 Hz – 20 kHz (±1.5 dB)55 Hz – 23 kHz (-6 dB)
Maximum output
107 dB SPL (peak, @ 1 m, pair)

Amplification & connections

Amplification
50 W + 50 W per speaker · Class Dactive crossover
Inputs
XLR
Power
Mains (internal PSU)

Features

Adjustments
Room calibration
Auto standby
Yes

Physical

Mounting
Iso-Pod tilting table stand; 3/8 in UNC thread underneath; two M6 threaded inserts at the rear for wall and ceiling mounts
Weight
3,200 g per speaker
Dimensions
151 × 142 × 230 mm
Released
2014

The only audio input is balanced analog XLR; the two RJ45 sockets are for Genelec's GLM control network, not audio. Room calibration, input sensitivity and the auto-standby (off by default) are set in the GLM software with its separately sold kit. Peak output is rated per pair with music; one cabinet is rated at 100 dB or more short-term and 94 dB or more long-term at 1 m. Self-noise is rated at 5 dB SPL or less (A-weighted). Crossover at 2.9 kHz. Height is 242 mm on the Iso-Pod. Manufacturer-published figures, not measurements · from genelec.com, assets.ctfassets.net.

Follow the evidence

Sources 25

1–6 of 25 sources

Read with context

Limitations & method.

As of

What to keep in mind 6

  1. A read of where the reviews stand as of November 2026. The 8320A has been on sale since the end of 2014, so the magazine reviews date from 2015–2017 and the lab test from 2021; owner reports run up to 2026.

  2. Only one full laboratory measurement of this model has been published, so the measured picture rests on that unit plus an owner's in-room measurements and Genelec's own figures.

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