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

JBL Studio 6 Architectural 8IW vs JBL Studio 630 Comparison

x
Speaker to replace
Change

JBL Studio 6 Architectural 8IW

Passive In-wall | 43-20kHz

JBL Studio 6 Architectural 8IW
CHECK PRICE
Change
    
JBL Studio 630

Passive Bookshelf | 45-40k Hz

JBL Studio 630
CHECK PRICE
JBL Studio 6 Architectural 8IW JBL Studio 6 Archite...
See at AMAZON
JBL Studio 630 JBL Studio 630
See at AMAZON
JBL Studio 6 Archite...
See at AMAZON
JBL Studio 630
See at AMAZON
JBL Studio 6 Architectural 8IW vs JBL Studio 630 Speaker Comparison

In this review, we will be comparing two different type of speakers by JBL. JBL Studio 6 Architectural 8IW is a In-wall speaker whereas the Studio 630 is a Bookshelf speaker.

Let's have a brief look at the main features of JBL Studio 6 Architectural 8IW and JBL Studio 630 first before getting into our more detailed comparison.

JBL Studio 6 Architectural 8IW Key Specs

  • 2-way Design
  • 1" Horn-Loaded Tweeter
  • 8" Polyplas Woofer
  • 43-20kHz Frequency Response
  • 93 dB Sensitivity
  • Impedance: 6ohms
  • Power Range:10-80watts
  • Dimensions (H x W x D): 318.0" x 8.7500" x 3.6875"( 318.0 x 223.0 x 94.0mm )

JBL Studio 630 Key Specs

  • 2-way Design
  • 1" High Frequency Compression Tweeter
  • 6.25" PolyPlas Woofer
  • 45-40k Hz Frequency Response
  • 85 dB Sensitivity
  • Impedance: 6ohms
  • Power Range:up to 150watts
  • Weight:9.02kg
  • Dimensions (H x W x D): 372.0" x 9-1/16" x 11-1/16"( 230 x 280 x 372mm )

Studio 6 Architectural 8IW and Studio 630 are members of JBL's Studio series of speakers. Below you can find the loudspeakers from this series.

JBL Studio Series History
Model Body Frequency SensitivityImpedance Woofer
JBL Studio 630
Bookshelf 45-40k Hz 85 dB6Ω 1 x 6.25"
JBL Studio 620
  
Bookshelf 50-40k Hz 84 dB6Ω 1 x 5.25"
JBL Studio 680
  
Floor-standing 38-40k Hz 88 dB6Ω 2 x 6.5"
JBL Studio 690
  
Floor-standing 36-40k Hz 90 dB6Ω 2 x 8"
JBL Studio 6 88LCR
  
In-wall 43-20kHz 96 dB6Ω 2 x 8"
JBL Studio 2 55IW
  
In-wall 40-20kHz 88 dB8Ω 2 x 5.25"
JBL Studio 6 Theater
  
In-wall 65-20kHz 96 dB6Ω 4 x 5.25"
JBL Studio 6 66LCR
  
In-wall 45-20kHz 94 dB6Ω 2 x 6.5"
JBL Studio 6 Architectural 8IW
In-wall 43-20kHz 93 dB6Ω 1 x 8"
JBL Studio 2 8IW
  
In-wall 30-20kHz 88 dB8Ω 1 x 8"

What size room are the JBL Studio 6 Architectural 8IW and JBL Studio 630 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* JBL Studio 6 Architectural 8IW JBL Studio 630
Near-field Average Poor
Small Room Good Average
Mid-size Room Average Good
Large Room Poor Average
Very Large Room Bad 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 JBL Studio 6 Architectural 8IW and JBL Studio 630 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 Studio 6 Architectural 8IW and Studio 630 are 2-way speakers.

Driver JBL Studio 6 Architectural 8IW JBL Studio 630
Driver Setup 2-way 2-way
Tweeter 1-inch 1-inch
Midrange - -
Woofer 1 x 8-inch 1 x 6.25-inch

Studio 6 Architectural 8IW features a 1" Horn-Loaded Tweeter and 1 x 8" Polyplas Woofer . On the other hand, the Studio 630 features a 1" High Frequency Compression Tweeter and 1 x 6.25" PolyPlas Woofer .

Frequency Response

Studio 6 Architectural 8IW has a frequency range of 43-20kHz whereas Studio 630 has a frequency range of 45-40k Hz. With a minimum frequency of 43Hz, the Studio 6 Architectural 8IW can go slightly deeper then the Studio 630's min frequency of 45Hz.

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 In-wall class in our database.

Low Frequency

In-wall Speakers

Studio 6 Architectural 8IW
Studio 630
Min
Average
Max
High Frequency

In-wall Speakers

JBL Studio 6 Architectural 8IW
JBL Studio 630
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

Studio 6 Architectural 8IW and Studio 630 have the same Impedance of 6 ohms but where they differ is the sensitivity levels. Studio 6 Architectural 8IW sensitivity is rated at 93 dB and the Studio 630's is at 85 dB. This 8 dB difference makes the JBL Studio 6 Architectural 8IW a more sensitive speaker compared to JBL Studio 630, hence will play louder with the same amount of watts.

Sensitivity

In-wall Speakers

Studio 6 Architectural 8IW
Studio 630
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.

Studio 6 Architectural 8IW can handle a max power of 150 watts RMS from the amp the whereas Studio 6 Architectural 8IW has a max power handling value of 80 watts RMS , 70 watts less than the Studio 630.

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

Studio 6 Architectural 8IW features 5-Way post type posts and Studio 630 has a 5-Way post type posts. None of these speakers feature bi-amping/bi-wiring.

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 JBL Studio 6 Architectural 8IW's and JBL Studio 630's external dimensions. JBL Studio 6 Architectural 8IW has external dimensions of 318.0 x 223.0 x 94.0mm ( 12.5000-inch x 8.7500-inch x 3.6875-inch) whereas JBL Studio 630 has external dimensions of 230 x 280 x 372mm ( 14.6 x 9-1/16inch x 11-1/16inch ) .

JBL Studio 630 is clearly the larger of the two speakers. Its body is 7mm wider, 54mm taller and 186mm deeper than JBL Studio 6 Architectural 8IW.

What's in the Box of JBL Studio 6 Architectural 8IW?

Here are the items that are included inside the box of Studio 6 Architectural 8IW:
  • In-wall loudspeaker
  • Grille
  • Cut-Out Template
  • Quick Start Guide
  • What's in the Box of JBL Studio 630?

    Here are the items that come with the Studio 630:
  • 2 x JBL Studio 630 Bookshelf Loudspeaker
  • 1 x Owner’s Manual
  • 1 x Warranty Card
  • 8 x Feet Pads

  • Reasons to choose JBL Studio 6 Architectural 8IW over JBL Studio 630
    Sensitivity 93 dB vs 85 dB Play louder with same amount of amplification power
    Woofer Size 8 inches vs 6.25 inches Larger woofer
    Low Frequency Response 43 Hz vs 45 Hz Generates deeper bass
    Height 318mm vs 372mm Easier to fit in smaller spaces
    Base Surface Area 209cm2 vs 644cm2 Takes less floor space

    Reasons to choose JBL Studio 630 over JBL Studio 6 Architectural 8IW

    Max Input Power 150 watts vs 80 watts Handle more power from your amplifier
    High Frequency Response 40k Hz vs 20k Hz Generates higher frequency
    JBL Studio 6 Architectural 8IW vs JBL Studio 630 Specs Table
    Detailed comparison of specifications
    General JBL Studio 6 Architectural 8IW JBL Studio 630
    Brand JBL JBL
    Speaker Type Passive In-wall Speaker Bookshelf speakers
    Power Range 10-80 watts up to 150 watts
    Sensitivity 93 dB 85 dB
    Impedance 6 ohms 6 ohms
    Frequency Response 43-20kHz 45-40k Hz
    Drivers
    Woofer Quantity 1 1
    Woofer Size 8" 6.25"
    Woofer Composition Polyplas PolyPlas
    Woofer Surround Material Rubber n/a
    Tweeter Size 1" 1"
    Tweeter Type Horn-Loaded High Frequency Compression
    Aimable Tweeter No No
    Midrange Driver N/A" No
    Firing Direction n/a rear
    Physical Specs
    Height 318.0mm (12.5") 372.0mm (14.6")
    Width 223.0mm (8.8") 230.0mm (9.1")
    Depth 94.0mm (3.7") 280.0mm (11")
    Weight n/a 9.02kg (19.8lbs)
    Enclosure In-wall Bass Reflex
    Finish n/a MDF/Wood veneer
    Available Colors n/a Wood, Dark Wood
    Mounting Bracket No
    Grille n/a Yes
    Moisture Resistancy No No
    Connections
    Biamp Inputs No No
    Other
    Parts Warranty 5 Years 5 Years
    Labor Warranty 5 Years 5 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