In this review, we will be comparing two different types of speakers by Yamaha. Yamaha NS-555 is a Floor-standing speaker whereas the NS-C444 is a Center Channel speaker.
Let's have a brief look at the main features
of Yamaha NS-555 and Yamaha NS-C444 first before getting into our more
detailed comparison.
| Key Specs | Yamaha NS-555 | Yamaha NS-C444 |
|---|
| Brand | Yamaha
Japan · founded 1887 | Yamaha
Japan · founded 1887 |
|---|
| Design | 3-way | 2-way |
|---|
| Tweeter | 1" Aluminum dome with waveguide horn | 1" Aluminum Dome with Waveguide Horn |
|---|
| Midrange | 5" | — |
|---|
| Woofer | 2 x 6.5" PMD cone | 2 x 5" Polymer-injected Mica Diaphragm Cone |
|---|
| Frequency response | 35-35k Hz | 55-35k Hz |
|---|
| Sensitivity | 88 dB | 89 dB |
|---|
| Impedance | 6 ohms | 6 ohms |
|---|
| Power range | 100-250 watts | 100-250 watts |
|---|
| Weight | 20.00kg / 44lbs | 7.30kg / 16.1lbs |
|---|
| Dimensions (H x W x D) | 38.5625" x 8.75" x 13.5625"
979.5 x 222.3 x 344.5mm | 7.5" x 20.25" x 8.375"
190.5 x 514.4 x 212.7mm |
|---|
NS-555 and NS-C444 are members of Yamaha's 777 Series series of speakers. Below you can find the loudspeakers from this series.
Yamaha 777 Series Series
History
What size room are the Yamaha NS-555 and Yamaha NS-C444 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* |
Yamaha NS-555 |
Yamaha NS-C444 |
| Near-field |
Poor |
Average |
| Small Room |
Average |
Good |
| Mid-size Room |
Good |
Average |
| Large Room |
Average |
Poor |
| Very Large Room |
Poor |
Bad |
(* 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.)
The sections below take each area in turn: drivers, frequency response, physical size and what you get in the box.
Drivers
One of the fundamental differences between these two speakers is that NS-555 is a 3-way design whereas the NS-C444 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.
Yamaha NS-555Yamaha NS-C444
TweeterMidrangeWoofer
Front view, drawn to scale - cabinets and drivers share one scale, so sizes are directly comparable. Hover a driver for its size.
| Driver |
Yamaha NS-555 |
Yamaha NS-C444 |
|
Driver Setup
|
3-way
|
2-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
1 x 5-inch |
- |
|
Woofer
|
2 x 6.5-inch
|
2 x 5-inch
|
NS-555 features a 1" Aluminum dome with waveguide horn Aluminum dome with waveguide horn Tweeter, a 5" Midrange and 2 x 6.5" PMD cone Woofer. On the other hand, the NS-C444 features a 1" Aluminum Dome with Waveguide Horn Aluminum Dome with Waveguide Horn Tweeter and 2 x 5" Polymer-injected Mica Diaphragm Cone Woofer.
Frequency Response
NS-555 has a frequency range of 35-35k Hz whereas NS-C444 has a frequency range of 55-35k Hz. With a minimum frequency of 35Hz, the NS-555 can go significantly deeper on the low side and provide stronger bass compared to the NS-C444's min frequency of 55Hz.
The graph below depicts how these two speakers compare with the max, min and average Low Frequency values of other speakers in the Floor-standing class in our database.
Low Frequency
Floor-standing Speakers
Neither pair reaches down to 20Hz, the usual definition of full-range, which is normal for speakers of this size. If you want the bottom octave for movies or bass-heavy music, add a subwoofer to whichever you choose. Visit our Powered Subwoofers section to find out more about the available options.
Impedance and Sensitivity
NS-555 and NS-C444 have the same Impedance of 6 ohms but where they differ is the sensitivity levels. NS-555 sensitivity is rated at 88 dB and the NS-C444's is at 89 dB. This 1 dB difference makes the Yamaha NS-C444 a more sensitive speaker compared to Yamaha NS-555, hence will play louder with the same amount of watts.
Sensitivity
Floor-standing Speakers
Power Range
Power
range is the range of input power in watts RMS that a loudspeaker is designed to handle. Staying
within that range gives nominal performance; driving the speaker beyond its maximum wattage can damage it.
NS-555 and NS-C444 have the same power range of 100-250 watts.
Note that higher power handling does not make a speaker louder: that depends mainly on
sensitivity and impedance. The calculator below shows how loud each of these actually plays
on a real amplifier.
Which plays louder on your amplifier?
Starting with a popular amplifier - change it to the one you own, or any you are
considering, and watch both numbers move.
Input Type and Bi-Amping / Bi-Wiring
NS-555 features Binding post type posts and NS-C444 has a Binding post type posts. None of these speakers feature bi-amping/bi-wiring.
Physical Specs
The size of a speaker can sometimes be an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Yamaha NS-555's and Yamaha NS-C444's external dimensions. Yamaha NS-555 has external dimensions of 979.5 x 222.3 x 344.5mm (38.5625 x 8.75 x 13.5625inch) whereas Yamaha NS-C444 has external dimensions of 190.5 x 514.4 x 212.7mm (7.5 x 20.25 x 8.375inch).
Yamaha NS-C444 is 789mm shorter and 131.8mm less deeper than Yamaha NS-555 but it is also 292.1mm wider.
Size, drawn to scale
Both speakers and both views share one scale, so everything here is directly comparable. Hover a box for its dimensions.
One scale for both, standing on the same surface and pushed back to the same wall, so the deeper one visibly sticks out further.
Yamaha NS-C444 needs about 43% more floor or shelf area. Yamaha NS-555 is 132mm deeper, so it stands that much further out from the wall. Yamaha NS-555 is 789mm taller.
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 Yamaha NS-555 is approximately 765.8cm2 / 118.7inch2 and base area of the Yamaha NS-C444 is approximately 1094.1cm2 / 169.6inch2. The NS-555 requires 30% less surface area than the NS-C444 which gives it a small advantage on placement in tight spaces.