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

Kanto YU Passive 5.25-inch vs Kanto YU Passive 4-inch Comparison

x
Speaker to replace
Change

Kanto YU Passive 5.25-inch

Passive Bookshelf | 50-20k Hz

Kanto YU Passive 5.25-inch
CHECK PRICE
Change
    
Kanto YU Passive 4-inch

Passive Bookshelf | 60-20k Hz

Kanto YU Passive 4-inch
CHECK PRICE
Kanto YU Passive 5.25-inch Kanto YU Passive 5.2...
See at AMAZON
Kanto YU Passive 4-inch Kanto YU Passive 4-i...
See at AMAZON
Kanto YU Passive 5.2...
See at AMAZON
Kanto YU Passive 4-i...
See at AMAZON
Kanto YU Passive 5.25-inch vs Kanto YU Passive 4-inch Speaker Comparison

In this review, we will be comparing YU Passive 5.25-inch and YU Passive 4-inch, two Passive Bookshelf speakers by Kanto

Let's have a brief look at the main features of Kanto YU Passive 5.25-inch and Kanto YU Passive 4-inch first before getting into our more detailed comparison.

Kanto YU Passive 5.25-inch Key Specs

  • 2-way Design
  • 1" Soft-Dome Tweeter
  • 5.25" kevlar Woofer
  • 50-20k Hz Frequency Response
  • 89 dB Sensitivity
  • Impedance: 6ohms
  • Weight:4.00kg
  • Dimensions (H x W x D): 272.0" x 6.9" x 8.1"( 272.0 x 175.0 x 205.0mm )

Kanto YU Passive 4-inch Key Specs

  • 2-way Design
  • 1" Soft-Dome Tweeter
  • 4" Kevlar Woofer
  • 60-20k Hz Frequency Response
  • 86 dB Sensitivity
  • Impedance: 4ohms
  • Weight:2.50kg
  • Dimensions (H x W x D): 220.0" x 5.5" x 7.5"( 220.0 x 140.0 x 190.0mm )

YU Passive 5.25-inch and YU Passive 4-inch are members of Kanto's YU Passive series of speakers. Below you can find the loudspeakers from this series.

Kanto YU Passive Series History
Model Body Frequency SensitivityImpedance Woofer
Kanto YU Passive 5.25-inch
Bookshelf 50-20k Hz 89 dB6Ω 1 x 5.25"
Kanto YU Passive 4-inch
Bookshelf 60-20k Hz 86 dB4Ω 1 x 4"

What size room are the Kanto YU Passive 5.25-inch and Kanto YU Passive 4-inch 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* Kanto YU Passive 5.25-inch Kanto YU Passive 4-inch
Near-field Average Good
Small Room Good Good
Mid-size Room Average Average
Large Room Poor Poor
Very Large Room Bad No way

(* 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 Kanto YU Passive 5.25-inch and Kanto YU Passive 4-inch 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 YU Passive 5.25-inch and YU Passive 4-inch are 2-way speakers.

Driver Kanto YU Passive 5.25-inch Kanto YU Passive 4-inch
Driver Setup 2-way 2-way
Tweeter 1-inch 1-inch
Midrange - -
Woofer 1 x 5.25-inch 1 x 4-inch

YU Passive 5.25-inch features a 1" Silk Soft-Dome Tweeter and 1 x 5.25" kevlar Woofer . On the other hand, the YU Passive 4-inch features a 1" Silk Soft-Dome Tweeter and 1 x 4" Kevlar Woofer .

Frequency Response

YU Passive 5.25-inch has a frequency range of 50-20k Hz whereas YU Passive 4-inch has a frequency range of 60-20k Hz. With a minimum frequency of 50Hz, the YU Passive 5.25-inch can go significantly deeper on the low side and provide stronger bass compared to the YU Passive 4-inch's min frequency of 60Hz.

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

YU Passive 5.25-inch
YU Passive 4-inch
Min
Average
Max
High Frequency

Bookshelf Speakers

Kanto YU Passive 5.25-inch
Kanto YU Passive 4-inch
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

YU Passive 5.25-inch is a 6 ohms speaker compared to the YU Passive 4-inch 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 YU Passive 4-inch can provide this impedance level.

These two speakers also have different sensitivity levels. YU Passive 5.25-inch sensitivity is rated at 89 dB and the YU Passive 4-inch's is rated at 86 dB. This 3 dB difference makes the Kanto YU Passive 5.25-inch a more sensitive speaker compared to Kanto YU Passive 4-inch, hence will play louder with the same amount of watts.

Sensitivity

Bookshelf Speakers

YU Passive 5.25-inch
YU Passive 4-inch
Min
Average
Max

Input Type and Bi-Amping / Bi-Wiring

YU Passive 5.25-inch features post type posts and YU Passive 4-inch has a post type posts. None of these speakers feature bi-amping/bi-wiring.

Cabinet Type and Port Position

Both YU Passive 5.25-inch and YU Passive 4-inch have rear firing ports. Rear ported speakers generally need more room between the backside of the speaker and the wall compared to sealed and front/bottom ported speakers. Placing the speakers too close to the walls may cause the bass to sound boomy.

If you are limited in space and can't get the speakers away from the backwall, check our Speakers with Front Firing Ports page.

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 Kanto YU Passive 5.25-inch's and Kanto YU Passive 4-inch's external dimensions. Kanto YU Passive 5.25-inch has external dimensions of 272.0 x 175.0 x 205.0mm ( 10.7 x 6.9 x 8.1inch) whereas Kanto YU Passive 4-inch has external dimensions of 220.0 x 140.0 x 190.0mm ( 8.7 x 5.5 x 7.5inch) .

Kanto YU Passive 5.25-inch is clearly the larger of the two speakers. Its body is 35mm wider, 52mm taller and 15mm deeper than Kanto YU Passive 4-inch.

Below you can see the front view size comparison of Kanto YU Passive 5.25-inch and Kanto YU Passive 4-inch in scale.

Kanto YU Passive 5.25-inch vs Kanto YU Passive 4-inch Size Comparison - Front View
Comparison image of Kanto YU Passive 5.25-inch and Kanto YU Passive 4-inch 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 Kanto YU Passive 5.25-inch is approximately 358.8cm2 / 55.6inch2 and base area of the Kanto YU Passive 4-inch is approximately 266.0cm2 / 41.2inch2. The YU Passive 5.25-inch requires 35% more surface area than the YU Passive 4-inch which gives it a small disadvantage on placement in tight spaces.

Here is an another comparison that shows both speakers on a BDI Octave Media Cabinet, next to a standard size amplifier and turntable in scale:

Kanto YU Passive 5.25-inch vs Kanto YU Passive 4-inch Size Comparison on a Media Console
Size Comparison image of Kanto YU Passive 5.25-inch and Kanto YU Passive 4-inch on a Media Console
Weight Comparison

The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The Kanto YU Passive 5.25-inch weighs 4.00kg / 8.8lbs and the Kanto YU Passive 4-inch weighs 2.50kg / 5.5lbs. This makes the YU Passive 5.25-inch 60% heavier than the YU Passive 4-inch.

Here is a comparison of how YU Passive 5.25-inch and YU Passive 4-inch's weights compare with the average, max and min weights in Passive Bookshelf class.

Weight
All Bookshelf Speakers
Kanto YU Passive 5.25-inch
Kanto YU Passive 4-inch
Min
Average
Max

What's in the Box of Kanto YU Passive 5.25-inch?

Here are the items that are included inside the box of YU Passive 5.25-inch:
  • 8 x Rubber Feet
  • Manual
  • What's in the Box of Kanto YU Passive 4-inch?

    Here are the items that come with the YU Passive 4-inch:
  • 8 x Rubber Feet
  • Manual

  • Reasons to choose Kanto YU Passive 5.25-inch over Kanto YU Passive 4-inch
    Max Input Power 100 watts vs 70 watts Handle more power from your amplifier
    Sensitivity 89 dB vs 86 dB Play louder with same amount of amplification power
    Nominal Impedance 6 ohms vs 4 ohms Less selective with amplifiers
    Woofer Size 5.25 inches vs 4 inches Larger woofer
    Low Frequency Response 50 Hz vs 60 Hz Generates deeper bass

    Reasons to choose Kanto YU Passive 4-inch over Kanto YU Passive 5.25-inch

    Height 220mm vs 272mm Easier to fit in smaller spaces
    Base Surface Area 266cm2 vs 358cm2 Takes less floor space
    Price per pair* 200USD vs 240USD costs less (*prices may change depending on the seller, location and time)
    Kanto YU Passive 5.25-inch vs Kanto YU Passive 4-inch Specs Table
    Detailed comparison of specifications
    General Kanto YU Passive 5.25-inch Kanto YU Passive 4-inch
    Brand Kanto Kanto
    Speaker Type Bookshelf speakers Bookshelf speakers
    Sensitivity 89 dB 86 dB
    Impedance 6 ohms 4 ohms
    Frequency Response 50-20k Hz 60-20k Hz
    Drivers
    Woofer Quantity 1 1
    Woofer Size 5.25" 4"
    Woofer Composition kevlar Kevlar
    Tweeter Size 1" 1"
    Tweeter Type Soft-Dome Soft-Dome
    Aimable Tweeter No No
    Midrange Driver No No
    Firing Direction rear rear
    Physical Specs
    Height 272.0mm (10.7") 220.0mm (8.7")
    Width 175.0mm (6.9") 140.0mm (5.5")
    Depth 205.0mm (8.1") 190.0mm (7.5")
    Weight 4.00kg (8.8lbs) 2.50kg (5.5lbs)
    Enclosure bass reflex bass reflex
    Available Colors Black,White Black,White
    Mounting Bracket No No
    Moisture Resistancy No No
    Connections
    Other
    Parts Warranty 2 years 2 years
    Labor Warranty 2 years 2 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