In this review, we will be comparing Installer Series IW6 and Studio 6 Theater, two Passive In-wall speakers from MartinLogan and JBL. Let's have a brief look at the main features
of MartinLogan Installer Series IW6 and JBL Studio 6 Theater first before getting into our more
detailed comparison.
MartinLogan Installer Series IW6 Key Specs
- 2-way Design
- 0.75" Hard-Dome Tweeter
- 6.5" Mineral-filled poly Woofer
- 55-20kHz Frequency Response
- 89 dB Sensitivity
- Impedance: 8ohms
- Power Range:15-60watts
- Dimensions (H x W x D): 258.0" x 7.0625" x 3.1875"( 258.0 x 180.0 x 81.0mm )
JBL Studio 6 Theater Key Specs
- 2-way Design
- 1" Horn-Loaded Tweeter
- 4 x 5.25" PolyPlas Woofer
- 65-20kHz Frequency Response
- 96 dB Sensitivity
- Impedance: 6ohms
- Power Range:10-150watts
- Dimensions (H x W x D): 643.0" x 6.2500" x 3.7500"( 643.0 x 159.0 x 96.0mm )
What size room are the MartinLogan Installer Series IW6 and JBL Studio 6 Theater 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* |
MartinLogan Installer Series IW6 |
JBL Studio 6 Theater |
| Near-field |
Good |
Poor |
| Small Room |
Good |
Average |
| Mid-size Room |
Average |
Good |
| Large Room |
Poor |
Average |
| Very Large Room |
No way |
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 MartinLogan Installer Series IW6 and JBL Studio 6 Theater 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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through my links. As an Amazon Associate I earn from qualifying purchases.
Drivers
Both Installer Series IW6 and Studio 6 Theater are 2-way speakers.
| Driver |
MartinLogan Installer Series IW6 |
JBL Studio 6 Theater |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
0.75-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 6.5-inch
|
4 x 5.25-inch
|
Installer Series IW6 features a 0.75" Hard-Dome Tweeter and 1 x 6.5" Mineral-filled poly Woofer . On the other hand, the Studio 6 Theater features a 1" Horn-Loaded Tweeter and 4 x 5.25" PolyPlas Woofer .
Frequency Response
Installer Series IW6 has a frequency range of 55-20kHz whereas Studio 6 Theater has a frequency range of 65-20kHz. With a minimum frequency of 55Hz, the Installer Series IW6 can go significantly deeper on the low side and provide stronger bass compared to the Studio 6 Theater's min frequency of 65Hz.
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
High Frequency
In-wall Speakers
MartinLogan Installer Series IW6
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
Installer Series IW6 is a 8 ohms speaker compared to the Studio 6 Theater which has a nominal impedance of 6 ohms.
These two speakers also have different sensitivity levels. Installer Series IW6 sensitivity is rated at 89 dB and the Studio 6 Theater's is rated at 96 dB. This 7 dB difference makes the JBL Studio 6 Theater a more sensitive speaker compared to MartinLogan Installer Series IW6, hence will play louder with the same amount of watts.
Sensitivity
In-wall Speakers
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.
Installer Series IW6 can handle a max power of 150 watts RMS from the amp the whereas Installer Series IW6 has a max power handling value of 60 watts RMS , 90 watts less than the Studio 6 Theater.
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
Installer Series IW6 features Spring posts type posts and Studio 6 Theater has a Spring posts 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 MartinLogan Installer Series IW6's and JBL Studio 6 Theater's external dimensions. MartinLogan Installer Series IW6 has external dimensions of 258.0 x 180.0 x 81.0mm ( 10.1250-inch x 7.0625-inch x 3.1875-inch) whereas JBL Studio 6 Theater has external dimensions of 643.0 x 159.0 x 96.0mm ( 25.3125-inch x 6.2500-inch x 3.7500-inch) .
MartinLogan Installer Series IW6 is 385mm shorter and 15mm less deeper than JBL Studio 6 Theater but it is also 21mm wider.
What's in the Box of MartinLogan Installer Series IW6?
Here are the items that are included inside the box of Installer Series IW6:
In-wall loudspeakerGrilleUser-feets ManualCutout Template
What's in the Box of JBL Studio 6 Theater?
Here are the items that come with the Studio 6 Theater:
In-wall loudspeakerGrilleCut-Out TemplateQuick Start Guide
Nominal Impedance 
Woofer Size 
Height 
Base Surface Area 
Price per pair* 
Max Input Power 
Sensitivity