In this review, we will be comparing Sonus faber Duetto and 4329P, two Powered Bookshelf speakers from Sonus Faber and JBL. Being Powered speakers, they both have built-in amplifiers so you don't need an external power amp or an integrated amp to power them. Let's have a brief look at the main features
of Sonus faber Duetto and JBL 4329P first before getting into our more
detailed comparison.
Sonus faber Duetto Key Specs
- 2-way Design
- 700-watt RMS Integrated Amplifier
- 1.1" Soft-Dome Tweeter
- 5.25" Paper-Pulp Woofer
- 37-30k Hz Frequency Response
- 24-bit Max Depth / 192 kHz Max Sample Rate
- Built-in 5.0 Bluetooth
- App Control Feature
- Dimensions (H x W x D): 342.0" x 8.3125" x 11.0625"( 342.0 x 212.0 x 281.0mm )
JBL 4329P Key Specs
- 2-way Design
- 600-watt RMS Integrated Amplifier
- 1" Horn-Loaded Tweeter
- 8" cast-frame paper-cone Woofer
- 28-25 kHz Frequency Response
- 24-bit Max Depth / 192kHz Max Sample Rate
- Built-in 5.3 Bluetooth
- App Control Feature
- Weight:14.70kg
- Dimensions (H x W x D): 515.0" x 12.625" x 12.75"( 515.5mm x 320mm x 322.4mm )
In the following sections, we will get into more detail in order to better understand how the Sonus faber Duetto and JBL 4329P compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
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Drivers
Both Sonus faber Duetto and 4329P are 2-way speakers.
| Driver |
Sonus faber Duetto |
JBL 4329P |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
1.1-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 5.25-inch
|
1 x 8-inch
|
Sonus faber Duetto features a 1.1" Silk Soft-Dome Tweeter and 1 x 5.25" Paper-Pulp Woofer . On the other hand, the 4329P features a 1" Teonex Horn-Loaded Tweeter and 1 x 8" cast-frame paper-cone Woofer with a Crossover frequency at 1675 Hz.
Frequency Response
Sonus faber Duetto has a frequency range of 37-30k Hz whereas 4329P has a frequency range of 28-25 kHz. With a minimum frequency of 28Hz, the 4329P can go significantly deeper on the low side and provide stronger bass compared to the Sonus faber Duetto's min frequency of 37Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Bookshelf class in our database.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf Speakers
None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.
Cabinet Type and Port Position
Sonus faber Duetto has a rear firing port whereas 4329P has a front firing ports. JBL 4329P's front-firing port gives more flexibility in placement in regards to proximity to walls compared to Sonus faber Duetto with its rear-firing port.
Sonus faber Duetto Port
Physical Specs
Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Sonus faber Duetto's and JBL 4329P's external dimensions. Sonus faber Duetto has external dimensions of 342.0 x 212.0 x 281.0mm ( 13.4375inch x 8.3125inch x 11.0625inch ) whereas JBL 4329P has external dimensions of 515.5mm x 320mm x 322.4mm ( 20.3125inch x 12.625inch x 12.75inch ) .
JBL 4329P is clearly the larger of the two speakers. Its body is 108mm wider, 173mm taller and 41mm deeper than Sonus faber Duetto.
Below you can see the front view size comparison of Sonus faber Duetto and JBL 4329P in scale.
Comparison image of Sonus faber Duetto and JBL 4329P Size and External Dimensions
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the Sonus faber Duetto is approximately 595.7cm2 / 92.3inch2 and base area of the JBL 4329P is approximately 1030.4cm2 / 159.7inch2. The Sonus faber Duetto requires 42% less surface area than the 4329P which gives it a small advantage on placement in tight spaces.
What's in the Box of Sonus faber Duetto?
Here are the items that are included inside the box of Sonus faber Duetto:
2 Wireless powered speakers2 GrillesTwo 6.5-feet AC power cordsRemote controlQuick Start GuideSafety Instructions
What's in the Box of JBL 4329P?
Here are the items that come with the 4329P:
2 Powered speakers2 GrillesTwo 69-inch AC power cords10-feet CAT5e cableRemote control2 AAA batteries8 Self-adhesive feetOwner-feets ManualImportant Safety Instructions
High Frequency Response 
Height 
Base Surface Area 
Price per pair* 
RCA Connection 
HDMI Input 
Woofer Size 
Port Position 
3.5mm Connection