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OSD Black Series SC800D vs OSD Black T55E MKII Comparison

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OSD Black Series SC800D

Passive In-wall | 40-500Hz

OSD Black Series SC800D
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OSD Black T55E MKII

Passive Surround | 100-20k Hz

OSD Black T55E MKII
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OSD Black Series SC800D OSD Black Series SC8...
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OSD Black T55E MKII OSD Black T55E MKII
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OSD Black Series SC8...
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OSD Black T55E MKII
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OSD Black Series SC800D vs OSD Black T55E MKII Speaker Comparison

In this review, we will be comparing two different type of speakers by OSD. OSD Black Series SC800D is a In-wall speaker whereas the Black T55E MKII is a Surround speaker.

Let's have a brief look at the main features of OSD Black Series SC800D and OSD Black T55E MKII first before getting into our more detailed comparison.

OSD Black Series SC800D Key Specs

  • 1-way Design
  • " Tweeter
  • 8" Polypropylene Woofer
  • 40-500Hz Frequency Response
  • Impedance: 8ohms
  • Power Range:up to 300watts
  • Weight:kg
  • Dimensions (H x W x D): 20.2500" x 14.5000" x 4.0625" ( 515.0 x 369.0 x 104.0mm )

OSD Black T55E MKII Key Specs

  • 2-way Design
  • 1" Soft-Dome Tweeter
  • 5.25" Woofer
  • 100-20k Hz Frequency Response
  • 87 dB Sensitivity
  • Impedance: 4ohms
  • Weight:kg
  • Dimensions (H x W x D): 6.64" x 7.48" x 10.43"

SC800D and Black T55E MKII are members of OSD's Black series of speakers. Below you can find the loudspeakers from this series.

OSD Black Series History
Model Body Frequency SensitivityImpedance Woofer
OSD Black Series SC800D
In-wall 40-500Hz 8Ω 1 x 8"
OSD Black Series T69 MKII
  
In-wall 65-20k Hz 92 dB4Ω 2 x 6.5"
OSD Black T55E MKII
Surround 100-20k Hz 87 dB4Ω 1 x 5.25"

In the following sections, we will get into more detail in order to better understand how the OSD Black Series SC800D and OSD Black T55E MKII 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

One of the fundamental differences between these two speakers is that SC800D is a 1-way design whereas the Black T55E MKII is a 2-way speaker. 3-way designs utilize a midrange driver in addition to the tweeter and woofer on 2-way designs. Designing a crossover for a 3-way speaker is a complicated process and generally increases the overall cost of the speaker.

Driver OSD Black Series SC800D OSD Black T55E MKII
Driver Setup 1-way 2-way
Tweeter -inch 1-inch
Midrange - -
Woofer 1 x 8-inch 1 x 5.25-inch

SC800D features a " Tweeter and 1 x 8" Polypropylene Woofer . On the other hand, the Black T55E MKII features a 1" Soft-Dome Tweeter and 1 x 5.25" Woofer .

Frequency Response

SC800D has a frequency range of 40-500Hz whereas Black T55E MKII has a frequency range of 100-20k Hz. With a minimum frequency of 40Hz, the SC800D can go significantly deeper on the low side and provide stronger bass compared to the Black T55E MKII's min frequency of 100Hz.

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

SC800D
Black T55E MKII
Min
Average
Max
High Frequency

In-wall Speakers

OSD Black Series SC800D
OSD Black T55E MKII
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.

Input Type and Bi-Amping / Bi-Wiring

SC800D features Spring post type posts and Black T55E MKII has a Spring 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 OSD Black Series SC800D's and OSD Black T55E MKII's external dimensions. OSD Black Series SC800D has external dimensions of 515.0 x 369.0 x 104.0mm ( 20.2500-inch x 14.5000-inch x 4.0625-inch) whereas OSD Black T55E MKII has external dimensions of ( ) .

OSD Black Series SC800D is clearly the larger of the two speakers. Its body is 369mm wider, 515mm taller and 104mm deeper than OSD Black T55E MKII.

What's in the Box of OSD Black Series SC800D?

Here are the items that are included inside the box of SC800D:
  • In-wall passive subwoofer
  • Grille
  • 10 Screws
  • 2 Self-adhesive rubber pads
  • Cutout Template
  • Install Guide


Reasons to choose OSD Black Series SC800D over OSD Black T55E MKII
Nominal Impedance 8 ohms vs 4 ohms Less selective with amplifiers
Woofer Size 8 inches vs 5.25 inches Larger woofer
Low Frequency Response 40 Hz vs 100 Hz Generates deeper bass
Passive Radiator 1 x 10-inch vs None Increases the bass performance
Price per pair* 300USD vs 400USD costs less (*prices may change depending on the seller, location and time)

Reasons to choose OSD Black T55E MKII over OSD Black Series SC800D

Driver Setup 2-way vs 1-way Have a dedicated mid-range driver
High Frequency Response 20000k Hz vs 1k Hz Generates higher frequency
Height 0mm vs 515mm Easier to fit in smaller spaces
Base Surface Area 0cm2 vs 383cm2 Takes less floor space
OSD Black Series SC800D vs OSD Black T55E MKII Specs Table
Detailed comparison of specifications
General OSD Black Series SC800D OSD Black T55E MKII
Brand OSD OSD
Speaker Type Passive In-wall Speaker Surround speaker
Sensitivity n/a 87 dB
Impedance 8 ohms 4 ohms
Frequency Response 40-500Hz 100-20k Hz
Drivers
Woofer Quantity 1 1
Woofer Size 8" 5.25"
Woofer Composition Polypropylene
Woofer Surround Material Rubber n/a
Tweeter Size - 1"
Tweeter Type n/a Soft-Dome
Aimable Tweeter No No
Midrange Driver No No
Physical Specs
Height 515.0mm (20.3") mm (0")
Width 369.0mm (14.5") mm (0")
Depth 104.0mm (4.1") mm (0")
Enclosure In-wall
Finish n/a MDF/Vinyl
Available Colors n/a Black
Moisture Resistancy No No
Connections
Biamp Inputs No n/a
Other
Parts Warranty 10 Years Limited Lifetime
Labor Warranty 10 Years Limited Lifetime

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