HiFi SPECS

A/B comparison · Speakers

Acoustic Energy 101 speakers vs Dynaudio Special Forty

Specs from both manufacturer datasheets Updated Jan 1, 2024

CH A Acoustic Energy 101

Acoustic Energy 101 speakers

Channel A · Bookshelf · 2014
VS
CH B Dynaudio Special Forty

Dynaudio Special Forty

Channel B · Bookshelf · 2018
Acoustic Energy 101 speakers Dynaudio Special Forty
20 Hz 100 1k 10k 20k
7.1/10Dynaudio

Rows won, of 9 compared Acoustic Energy 1 · Dynaudio 1 · tied or not compared 7

Datasheet · Side by side

Spec by spec

Built from both structured spec sheets. The delta chip sits on the winning side; rows with no defensible winner carry no chip.

Sound & drivers

2-way Configuration 2-way
1x 1.1" Tweeter + 1x 4.33" Mid-woofer Drivers 1x 1.1" Tweeter + 1x 6.69" Mid-woofer
48 Hz to 32 kHz ±3 dB Frequency response 41 Hz to 23 kHz -7 Hz deeper ±3 dB
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)

Power, electrical, physical

87 dB SensitivityReference not published 86 dB 2.83 V/1 m
8 Ω Impedance 6 Ω
150 W Amp range Not published
300 mm · 13.2 lb Height · weight 361 mm · 17.9 lb Checked against the maker's own sheet, Sep 2026 Source
3 yr +1 yr Warranty 2 yr

A higher sensitivity figure means the same loudness from less amplifier power. Values come from each manufacturer datasheet.

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Availability

Where they stand on price

Acoustic Energy 101 speakers
Availability last checked Jan 1, 2024
Dynaudio Special Forty

The Dynaudio Special Forty isn't sold new any more. The closest current model is the Dynaudio Emit 20.

Why this one: Similar sized 2 way bookshelf with a comparable 7 inch woofer from the current Emit range

Availability last checked Jan 1, 2024

We do not show live prices; price tiers are our editorial categories. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and comparisons are never influenced by affiliate partners.