microFidelity Audio Amplifier, Model 200 Black
- Ultra-small stereo amplifier
- 150 Watts maximum power (80 Watts rms)
- Mono/stereo operation
- 112 dBA signal-to-noise ratio
- Less than 0.04% distortion
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The Model 200 is an ultra-small power audio mini amplifier. Despite delivering 150 Watts of power, the Model 200 is no larger than a deck of cards. It can be hidden or placed for everyone to see virtually anywhere without taking up the space of traditional amplifiers. Despite it's small size, the Model 200 offers astounding audio performance at 115 dB dynamic range and is suited even for the most demanding application.
This state-of-the-art mini amplifier delivers the energy efficiency of today's best digital class-D audio amplifiers while at the same time offering far lower audio distortion at only 0.04 %. The Model 200 offers the flexibility of operating either as a stereo amplifier or alternatively as a monoblock and thus can easily adapt to almost any scenario.
It's aluminium chassis itself provides enough cooling. No built-in fans or additional cooling are necessary. All you will hear is the music.
Mono: 1 x 150 W (peak), 1 x 80 W (rms)
Stereo: 2 x 40 W (rms)
Dynamic range / signal-to-noise ratio:
Mono: 115 dBA
Stereo: 112 dBA
Frequency response: 1 Hz - 70 kHz @ 8 Ohms
Total harmonic distortion (THD+N):
Mono: 0.04 % @ 50 W, 1 kHz
Stereo: 0.04 % @ 20 W, 1 kHz
Power efficiency: 93 %
Channel separation: 77 dB
Idle power consumption: < 3 W
Dimensions: 3-9/16 ” (W) x 3-7/16 ” (D) x 3/4 ” (H)
91 mm (W) x 86 mm (D) x 19 mm (H)
Top customer reviews
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Don't let the size fool you, this can kick out some serious juice and won't hesitate to do so. When paired with my Micca MB42x's, the combination can reach levels of 'uncomfortably loud'. Not 'blow your slacks off' by any means, but in a pinch I feel that one could provide ample sound for a 30 person dance floor/ party.
READ THE INSTRUCTIONS ABOUT POWERING THIS THING, i.e. plug power into unit, THEN mains. Being one who doesn't take kindly to instructions, i promptly shocked myself. It was not an enjoyable experience. Also if you're not going to be using the unit for extended periods of time, I'd suggest unplugging it from the wall. It will stay warm (not blazing hot) and toasty electronics = wasted electricity.
All and all, over my 2 months of owning this unit, I am perfectly gruntled with my experience. It gets loud, has no noticeable distortion at reasonable volumes, and can be transported via coat pocket if necessary.
The only thing holding me back from 5 stars is the lack of a power switch on the unit itself. Implementing the volume dial to have a 'click' to switch off when turned down all the way would have fixed my only complaint. Otherwise, fantastic amp for those pseudo-audiophiles on a moderate budget, or just regular folks who want a tiny loud amp.
The one real drawback of this amplifier is that the tiny volume control wheel is really awkward and definitely not something you want to be diddling with all the time. This amp is intended to be used with an input source that has its own volume control, like an MP3 player. When you set it up, start with the input source volume all the way up and the amplifier volume all the way down. Then turn up the volume on the amplifier to the absolute loudest you will ever want to listen to. Leave it at that setting and then rely on the MP3 player volume control to adjust things to a comfortable listening volume.
Also, the amp has no power control. If you want to switch it off, put it on a power strip or other switched outlet. I have not noticed any hiss, hum, static, etc when it is left turned on with no input, though.
After several weeks of light use, the microFidelity amp started making a crackling noise at random intervals -- sometimes frequently and sometimes infrequently. Since I expect the things I buy to actually work, returned it for a replacement. The replacement took forever and a day (roughly a month, but I never counted the days), but it eventually made its way to me. Was so disappointed about the delay, the clicking, and the lackluster sound quality that I never even powered up the replacement amp. Just a couple weeks later, saw the perfect opportunity to give it to my sister.
My sister had been using the speakers built into her HDTV for years, and finally decided to upgrade the audio to something better. She had some old Infinity 2.1 stereo speakers (built in July 1992, as stamped on the inside of the subwoofer module) that were our dad's before he passed away, and these speakers had been in her closet unused for several years (she had previously used them for many years in her old home, but her old amp broke). So, I wired everything up for her, with the microFidelity amp providing the power. At max volume on the amp and max volume on the HDTV (using the TV's headphone jack as the output), the microFidelity amp puts out a very moderate level of volume. There is absolutely no way that she could ever come close to getting a noise complaint from a neighbor, but I have no way to measure the decibel output level.
Regardless, this amp is simply not impressive with its max volume, although the speakers and amp are collectively producing very clear audio. Am guessing that this amp is outputting no more than 5 watts RMS (stereo). I know that the manufacturer claims 40 watts RMS (stereo) -- and perhaps it's capable of 40 watts RMS in a laboratory when being fed max voltage/amperage from an ideal power supply using conditioned power -- but I simply do not believe that it performs this well with the provided power supply and in real-world conditions.
Also, the volume knob (i.e. potentiometer) feels unusually fragile and low-grade. Am afraid to turn it for fear of it breaking. The manufacturer really needs to install a better quality part. I'm certainly not the first reviewer to note this.
So, in my experience, this is a very ho-hum and wildly overrated amp. It's not bad, but also not good and could never be mistaken for great.
Having said this, I do love it's small and compact size. It really is the size of a deck of cards.
Most recent customer reviews
Wish the connectors were in the back - more hidden - since I need to access the volume control.