speakers unpacked

Spotless HiFi 4″ Small Bookshelf Speaker

MODEL: Eternal 4.2

MSRP: $799.00

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Spotless Audio


Spotless is an authentic, simple, approachable, and unpretentious brand of traditional handicrafts.

We believe in sticking to our ideas and original designs, injecting thoughts and emotions into every detail and every product, to give it more vitality. We don’t strive for perfection; we strive to hold the nostalgic mood and to interpret the artisanal sentiment of age, to the old traditional handicraft works, which remind us how to listen to the years’ footprints.

Whether auditory, visual, or tactile, our handicrafts will quietly wait for your heart to approach them, understand them, and feel them.

spotless audio logo

Spotless Eternal 4.2 small bookshelf speaker

It is made for you who beautify the world with love. With joy, listening together!


Customized Tweeter Unit

Advanced Swiss technologies


Compact Dimensions

160 * 190 * 260 mm


ERSE Capacitance

Ultra-low ESR, transparent music taste


4" Two-way

The art of 20Hz low frequency



Sound with soul


Birch Wood Cabinet

Following the traditional materials used for musical instruments

Eternal 4.2 Small Bookshelf Speaker

design concept

Eternal 4.2 bookshelf speaker combines a 4″ bass/midrange unit and a 95mm diameter tweeter for each channel, with a rear inverted two-way design. Both are using the new generation of Spotless self-developed speaker units.

Spotless has always insisted that the front and rear panels be mounted with custom screws. The advantage of this design is that it allows the cabinet to have a high degree of inertia and low energy storage. So that the low frequencies breathe freely in the cabinet.

The cabinet is made of 15mm thick multi-layers birch wood. The principle is similar to the resonance of a violin. The purpose is to let the sound get a good bounce. The whole cabinet is polished by hand. The outer surface retains the original unique wood textures.


Natural midrange texture and powerful low-frequency dive. Its sufficient energy and thickness is a more infectious speaker with rich harmonics, especially good at expressing subtle music and the instrument’s small details.


Bright, steady, natural, full midrange texture, the clarity of lines and the transparency of the sound, accurate expression, suitable for listening to solo, concerto, and chamber music.


Sensitivity is not high. It has certain requirements for the amplifier‘s output power and controllability. It’s recommended to match an amplifier with an output power of 60W or more, with good controllability, a clear sense of line amplifier is better.

Eternal 4.2 bookshelf speaker is suitable for 10 to 30 square meters of listening space.

Eternal 4.2 Audiophile Bookshelf Speaker


Life cannot be without music. Many classic works were created from real life. Naturally, they are also integrated into our lives.

Music is a part of life; all we need is music to lead our thoughts and emotions, to enjoy that comfort.

Spotless Audio

every step counts

It’s not that we never fail; we never give up. Holding firm to our beliefs, moving steadily forward, always keeping progress every day, even if it is just a little, accumulation is invaluable to us.

small bookshelf speaker Eternal 4.2
small bookshelf speaker Eternal 4.2
Spotless Audio Logo
speaker units for Eternal 4.2

Our vitality comes from constant self-challenge

We absorb the wisdom of our predecessors. We pursue innovation and challenge, which we believe is essential.

In the full frequency range, high frequency is the most emotional part. Spotless constantly explores high-frequency solutions based on a particular understanding of low and medium frequencies.

This diaphragm has gone through a lot of hardships to complete. Its performance is very neutral; compared to other tweeter materials, it does not have that sweet as honey sound.

The resolution is not firm, but the sense of listening is perfect. The tone is simple, giving people an unfolding feeling, warm, smooth, and very listenable.

Tweeter Unit for Eternal 4.2
bookshelf speakers stacking

A thousand miles begins with a single step, a mountain starts with a tiny dust.

Life goes on, strive on!

Spotless firmly believes that as long as we stick to our beliefs, no matter how winding and distant the road, as long as we love, we can go farther and higher.

Eternal 4.2 detail
Eternal4.6 assembling
bookshelf speaker cabinet factory
back panel of eternal 4.2 speaker

Stand is half-life of a bookshelf speaker.

For bookshelf speakers, audiophiles are saying that the speaker stand is the second spring for bookshelf speakers. The right match with a stand can make the speaker play well with their performance and the characters.

Spotless’s original design solid steel bookshelf speaker stands can positively reduce vibrations and improve performance.

One of the essential features is to make the middle and high frequencies vivid and dynamic, rich in details, and make low frequencies clean and more bouncy.

seed 2.1 mini audio system

Tech Specifications

Long-term Power

30 watts

Short-term Power

50 watts

Frequency Response

60 Hz~20 kHz






160*190*260 mm


6.4 KGS/Pair

Eternal 4.2 parameters
Eternal 4.2 speaker size
loudspeaker units

Large Bookshelf Speakers

→ Eternal 8.3
→ Eternal 12.3
→ Eternal 12.5


Spotless Audio – handmade bookshelf speakers for Audiophiles

From 2″ small bookshelf speakers to 12″ large bookshelf speakers,
we have the right size for you.

Medium Bookshelf Speakers

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