SpeakerDecision
  • SPEAKERS by TYPE
    • Passive Bookshelf Speakers
    • Passive Floor-standing Speakers
    • Passive Center Channel Speakers
    • Passive In-wall Speakers
    • All Passive Speakers
    • Powered Subwoofers
    • Powered Stereo Speakers
  • AMPLIFIERS
  • SMART FIND

ELAC Uni-Fi 2.0 UC52 vs ELAC Uni-Fi BS U5 Slim Comparison

x
Speaker to replace
Change

ELAC Uni-Fi 2.0 UC52

Passive Center Channel | 48-35k Hz

ELAC Uni-Fi 2.0 UC52
CHECK PRICE
Change
    
ELAC Uni-Fi BS U5 Slim

Passive Bookshelf | 46-25k Hz

ELAC Uni-Fi BS U5 Slim
CHECK PRICE
ELAC Uni-Fi 2.0 UC52 ELAC Uni-Fi 2.0 UC52
See at AMAZON
ELAC Uni-Fi BS U5 Slim ELAC Uni-Fi BS U5 Sl...
See at AMAZON
ELAC Uni-Fi 2.0 UC52
See at AMAZON
ELAC Uni-Fi BS U5 Sl...
See at AMAZON
ELAC Uni-Fi 2.0 UC52 vs ELAC Uni-Fi BS U5 Slim Speaker Comparison

In this review, we will be comparing two different type of speakers by ELAC. ELAC Uni-Fi 2.0 UC52 is a Center Channel speaker whereas the Uni-Fi BS U5 Slim is a Bookshelf speaker.

Let's have a brief look at the main features of ELAC Uni-Fi 2.0 UC52 and ELAC Uni-Fi BS U5 Slim first before getting into our more detailed comparison.

ELAC Uni-Fi 2.0 UC52 Key Specs

  • 3-way Design
  • 1" soft dome Tweeter
  • 4" Midrange
  • 2 x 5.25" dished aluminum Woofer
  • 48-35k Hz Frequency Response
  • 85 dB Sensitivity
  • Impedance: 6ohms
  • Power Range:40-140watts
  • Weight:11.70kg
  • Dimensions (H x W x D): 186.0" x 21-7/16" x 11-9/16"( 186.0 x 545.0 x 294.0mm )

ELAC Uni-Fi BS U5 Slim Key Specs

  • 3-way Design
  • 1" soft dome Tweeter
  • 4" Midrange
  • 5.25" Aluminum Woofer
  • 4" Midrange
  • 46-25k Hz Frequency Response
  • 85 dB Sensitivity
  • Impedance: 4ohms
  • Power Range:40-140watts
  • Weight:7.50kg
  • Dimensions (H x W x D): 340.0" x 7-1/16" x 12-7/8"( 340.0 x 180.0 x 328.0mm )

ni-Fi 2.0 UC52 and Uni-Fi BS U5 Slim are members of ELAC's Uni-Fi series of speakers. Below you can find the loudspeakers from this series.

ELAC Uni-Fi Series History
Model Body Frequency SensitivityImpedance Woofer
ELAC Uni-Fi 2.0 UB52
  
Bookshelf 46-35k Hz 85 dB6Ω 1 x 5.25"
ELAC Uni-Fi UB5
  
Bookshelf 46-25k Hz 85 dB4Ω 1 x 5.25"
ELAC Uni-Fi 2.0 UF52
  
Floor-standing 42-35k Hz 85 dB6Ω 3 x 5.25"
ELAC Uni-Fi 2.0 UC52
Center Channel 48-35k Hz 85 dB6Ω 2 x 5.25"
ELAC Uni-Fi BS U5 Slim
Bookshelf 46-25k Hz 85 dB4Ω 1 x 5.25"
ELAC Uni-Fi FS U5 Slim
  
Floor-standing 42-25k Hz 85 dB4Ω 3 x 5.25"
ELAC Uni-Fi CC U5 Slim
  
Center Channel 48-25k Hz 85 dB4Ω 2 x 5.25"

What size room are the ELAC Uni-Fi 2.0 UC52 and ELAC Uni-Fi BS U5 Slim speakers good for?

The size of the room in which you are planning to use these loudspeakers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their size and max power parameters:

Listening Environment* ELAC Uni-Fi 2.0 UC52 ELAC Uni-Fi BS U5 Slim
Near-field Poor Poor
Small Room Average Average
Mid-size Room Good Good
Large Room Average Average
Very Large Room Poor Poor

(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2. Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)

In the following sections, we will get into more detail in order to better understand how the ELAC Uni-Fi 2.0 UC52 and ELAC Uni-Fi BS U5 Slim compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.


Drivers

Both ni-Fi 2.0 UC52 and Uni-Fi BS U5 Slim are 3-way speakers.

Driver ELAC Uni-Fi 2.0 UC52 ELAC Uni-Fi BS U5 Slim
Driver Setup 3-way 3-way
Tweeter 1-inch 1-inch
Midrange 1 x 4-inch 1 x 4-inch
Woofer 2 x 5.25-inch 1 x 5.25-inch

ni-Fi 2.0 UC52 features a 1" soft dome Tweeter , a 4" Midrange and 2 x 5.25" dished aluminum Woofer with a Crossover frequency at 200hZ and 2000HZ. On the other hand, the Uni-Fi BS U5 Slim features a 1" soft dome Tweeter , a 4" Midrange and 1 x 5.25" Aluminum Woofer .

Frequency Response

ni-Fi 2.0 UC52 has a frequency range of 48-35k Hz whereas Uni-Fi BS U5 Slim has a frequency range of 46-25k Hz. With a minimum frequency of 46Hz, the Uni-Fi BS U5 Slim can go slightly deeper then the ni-Fi 2.0 UC52's min frequency of 48Hz.

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 Center Channel class in our database.

Low Frequency

Center Channel Speakers

ni-Fi 2.0 UC52
Uni-Fi BS U5 Slim
Min
Average
Max
High Frequency

Center Channel Speakers

ELAC Uni-Fi 2.0 UC52
ELAC Uni-Fi BS U5 Slim
Min
Average
Max

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.

Impedance and Sensitivity

ni-Fi 2.0 UC52 is a 6 ohms speaker compared to the Uni-Fi BS U5 Slim which has a nominal impedance of 4 ohms. Lower impedance speakers, especially the ones that are rated at 4 ohms may put more pressure on the amplifier unit especially when played at high volume levels, so make sure the amp you pair with the Uni-Fi BS U5 Slim can provide this impedance level.

On the other hand, they have the same sensitivity of 85 dBdB.

Sensitivity

Center Channel Speakers

ni-Fi 2.0 UC52
Uni-Fi BS U5 Slim
Min
Average
Max

Power Range

Power range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using an amplifier within this range ensures the nominal performance , inputting a power that is higher than the max wattage can result in a damaged speaker.

ni-Fi 2.0 UC52 and Uni-Fi BS U5 Slim has the same power range of 40-140 watts.

Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters such as Impedance, sensitivity and system efficiencies.

Input Type and Bi-Amping / Bi-Wiring

ni-Fi 2.0 UC52 features Post type posts and Uni-Fi BS U5 Slim has a Post type posts. None of these speakers feature bi-amping/bi-wiring.

ELAC Uni-Fi 2.0 UC52 Terminals
ELAC Uni-Fi 2.0 UC52's 5-Way post terminals

ELAC Uni-Fi BS U5 SlimPost Terminals
ELAC Uni-Fi BS U5 Slim's Post terminals

Cabinet Type and Port Position

ni-Fi 2.0 UC52 has a front firing port whereas Uni-Fi BS U5 Slim has a rear firing ports. ELAC Uni-Fi 2.0 UC52's front-firing port gives more flexibility in placement in regards to proximity to walls compared to ELAC Uni-Fi BS U5 Slim with its rear-firing 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 ELAC Uni-Fi 2.0 UC52's and ELAC Uni-Fi BS U5 Slim's external dimensions. ELAC Uni-Fi 2.0 UC52 has external dimensions of 186.0 x 545.0 x 294.0mm ( 7-5/16 x 21-7/16 x 11-9/16inch) whereas ELAC Uni-Fi BS U5 Slim has external dimensions of 340.0 x 180.0 x 328.0mm ( 13-3/8 x 7-1/16 x 12-7/8inch) .

ELAC Uni-Fi 2.0 UC52 is 154mm shorter and 34mm less deeper than ELAC Uni-Fi BS U5 Slim but it is also 365mm wider.

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 ELAC Uni-Fi 2.0 UC52 is approximately 1602.3cm2 / 248.4inch2 and base area of the ELAC Uni-Fi BS U5 Slim is approximately 590.4cm2 / 91.5inch2. The ni-Fi 2.0 UC52 requires 171% more surface area than the Uni-Fi BS U5 Slim which gives it a small disadvantage on placement in tight spaces.

What's in the Box of ELAC Uni-Fi 2.0 UC52?

Here are the items that are included inside the box of ni-Fi 2.0 UC52:
  • Center channel loudspeaker
  • Grille
  • Operating Instructions
  • What's in the Box of ELAC Uni-Fi BS U5 Slim?

    Here are the items that come with the Uni-Fi BS U5 Slim:
  • 2 Bookshelf loudspeakers
  • 2 Grilles
  • Operating Instructions

  • Reasons to choose ELAC Uni-Fi 2.0 UC52 over ELAC Uni-Fi BS U5 Slim
    Nominal Impedance 6 ohms vs 4 ohms Less selective with amplifiers
    Number of Woofers 2 vs 1 More woofers
    High Frequency Response 35k Hz vs 25k Hz Generates higher frequency
    Port Position Front vs Rear Gives more flexibility placing close to walls
    Height 186mm vs 340mm Easier to fit in smaller spaces
    Price per pair* 460USD vs 735USD costs less (*prices may change depending on the seller, location and time)

    Reasons to choose ELAC Uni-Fi BS U5 Slim over ELAC Uni-Fi 2.0 UC52

    Low Frequency Response 46 Hz vs 48 Hz Generates deeper bass
    Base Surface Area 590cm2 vs 1602cm2 Takes less floor space
    ELAC Uni-Fi 2.0 UC52 vs ELAC Uni-Fi BS U5 Slim Specs Table
    Detailed comparison of specifications
    General ELAC Uni-Fi 2.0 UC52 ELAC Uni-Fi BS U5 Slim
    Brand ELAC ELAC
    Speaker Type Center channel speaker Bookshelf speakers
    Power Range 40-140 watts 40-140 watts
    Sensitivity 85 dB 85 dB
    Impedance 6 ohms 4 ohms
    Frequency Response 48-35k Hz 46-25k Hz
    Drivers
    Woofer Quantity 2 1
    Woofer Size 5.25" 5.25"
    Woofer Composition dished aluminum Aluminum
    Woofer Surround Material Rubber Rubber
    Tweeter Size 1" 1"
    Tweeter Type soft dome soft dome
    Aimable Tweeter No No
    Midrange Driver 4" 4"
    Crossover Frequency 200hZ and 2000HZ n/a
    Firing Direction front rear
    Physical Specs
    Height 186.0mm (7.3") 340.0mm (13.4")
    Width 545.0mm (21.5") 180.0mm (7.1")
    Depth 294.0mm (11.6") 328.0mm (12.9")
    Weight 11.70kg (25.7lbs) 7.50kg (16.5lbs)
    Enclosure Bass Reflex Bass Reflex
    Finish n/a MDF/Vinyl
    Available Colors Black Black
    Mounting Bracket No No
    Recommended Stand Height n/a 24-31"
    Grille Yes Yes
    Moisture Resistancy No No
    Connections
    Biamp Inputs n/a No
    Other
    Parts Warranty 3 Years 3 Years
    Labor Warranty 3 Years 3 Years

    Most Popular Speakers
    Klipsch Reference R-51M
    Klipsch R-51M
    2-way | 93 dB | 8 ohms
    Wharfedale Elysian 2
    Wharfedale Elysian 2
    3-way | 89 dB | 4 ohms
    ELAC Debut 2.0 B6.2
    ELAC Debut 2.0 B6.2
    2-way | 87 dB | 6 ohms
    Bowers & Wilkins 606 S2 Anniversary Edition
    B&W 606 S2
    2-way | 88 dB | 8 ohms
    KEF Q150
    KEF Q150
    2-way | 86 dB | 8 ohms
    Klipsch Reference Premiere RP-500M
    Klipsch RP-500M
    2-way | 93 dB | 8 ohms
    Wharfedale EVO4.1
    Wharfedale EVO4.1
    2-way | 87 dB | 8 ohms
    Bowers & Wilkins 606
    B&W 606
    2-way | 88 dB | 8 ohms
    Copyright © 2025 by SpeakerDecision
    About Privacy Contact US Camera Decision

    Report a Correction