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Contact Info

The Upgrade Company

Customer support and communication is an issue taken very seriously by The Upgrade Company. We strive to exceed your expectations. 
Please drop us an email or voicemail today.  We promise to reply to your inquiry as fast as possible.
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Bryston 4B SST2 C 19" - 300 Watt Stereo Amplifier

Bryston 4B SST2 C  19" - 300 Watt Stereo Amplifier
Brand: Bryston
Product Code: Bryston 4B SST2 C
Availability: In Stock
Price: $5,995.00
   - OR -   

With our unique SE upgrade technology, which rids RFI/EMI contamination, for a much clearer, more effortless, more powerful and more dynamic performance.  Our upgrades equal or surpass the most expensive makes and models manufactured today!


Bryston 4B SST2 C  19" - 300 Watt Stereo Amplifierand our Signature Edition upgraded already included for one low price!


The Bryston 4B SST2 is something of a legend among audio amplifiers. Because it is the Canadian company's most popular amp, it has attained international status as an amplifier suitable for the finest and most sophisticated sound systems. Whatever the venue, be it a recording studio stage, a broadcast facility, a home theater installation, or a state-of-the-art stereo system, Bryston has continued to be the number one choice.

"Best Power Amplifier"

The 4B SST-2 was honored by winning the "Best Power Amplifier" Trade Award for 2010 from SVI magazine. SVI stands for 'Sound Vision Install,' and SVI is England's leading home electronics trade publication.

The 4B SST2 is a pure dual mono design and offers 300 watts per channel into 8 ohms and 500 watts into 4 ohms, with over 1000 watts available in bridged mode.

The 4B SST2's features list includes a soft start circuit on power up, and multiple filter capacitance per channel for smooth and quiet operation. It also offers selectable inputs for balanced or single ended (RCA) connectors, remote 12-volt power trigger input with delayed output feature, and selectable gain settings.

"Noise Levels are Seemingly Nonexistent"

"The first thing that hits you (by its absence) is the quietness of the background," reports England's Hi-fi Choice magazine. "Noise levels are seemingly nonexistent despite the vast power on tap. This means that all the fine detail, all the low level effects, and background samples can be heard clearly."

"I Think I'm in Love"

"I think I'm in love. An amplifier I'd already thought great has been improved without sacrificing any of the sonic attributes that made the original so outstanding," raves John Crossett in the July 2009 SoundStage!. "I knew that Bryston has always been one of the stalwarts of the high-end-audio industry, but the improvements embodied in their new SST2 series show that, instead of being complacent about having come up with a great product, they'll always be on the lookout for ways to make it an even better one."

"This amplifier is a price breaker par excellence, which makes life really quite difficult for the large heavyweights," observes Wilfried Kress in Germany's HiFi & Records magazine. "The 4B SST amplifier can compete with practically anything that costs much, much more. And soundwise it unquestionably belongs to the Creme de la Creme of manufactured amplifiers: Under the unpretentious hull is indeed one of the best amplifiers in the world."

Winner of the "Component of Merit Award"

Canada's Bound for Sound magazine awarded both the Bryston 4B SST Power Amplifier and the Bryston B-60 Integrated Amplifier its "Component of Merit Awards." Says the magazine, "This is a superb amplifier, especially for the money. With monstrous power output of 300 wpc there is little that this amp can't power with ease. It is built extremely well (hence the 20 year warranty), without going to meaningless extremes."

"The 4BSST2 is the ultimate solution for achieving very high power, a solution that honors the sense of transparency and musicality," notes Greece's HITECH magazine.

Bryston SST2 C-Series Upgrades

Bryston's SST2 C-series amplifiers are the direct results of the company's ongoing quest to improve its already legendary SST C-Series product line.

For over 30 years, Bryston has committed itself to designing and manufacturing the most accurate and reliable audio electronics. The performance, value, and reliability of Bryston amplifiers, and the unrivaled warranty, have earned the company critical acclaim and awards worldwide.

Bryston maintains an extensive research and development program, constantly investigating techniques, technologies, and devices that promise improvements to all aspects of its amplifiers. The Bryston SST2 C–Series is the direct result of this ongoing quest, and represents a significant step forward in the art and science of audio amplification.

The SST2 C-series answers the need for today's increased dynamic range and clarity in recordings and movie soundtracks. The end result surpasses the parameters of the most demanding material available.

Upgrades over the previous series include new power supply transformer design plus a new power supply board, push on/off power switches, enhanced chassis design, new 'Soft-Start' circuitry, and new balanced input stage. This series also offers a bridging mode performance improvement, reduced point-to-point wiring, reduced circuit board count, and a redesigned output choke.

Design Philosophy Ensures Sonic Superiority

From input to output, all the circuitry has been optimized for the most accurate performance possible. All analog signal circuitry is fully discrete to avoid the compromises, phase shift, and non-linearities inherent in IC's. The amplifiers incorporate an innovative gain stage topology, which yields a substantially lower noise floor through the use of low-impedance pathways within the amplifier, and has strong advantages in reducing overall distortion.

Bryston's computer controlled distortion analyzers confirm that IM distortion of less than 10 parts per million (below 0.0009%) are typical for this new circuitry. All SST amplifiers use Bryston's proprietary output stage, which we call "Quad-Complementary." The Quad-Complementary topology improves linearity to a new standard of accuracy, while virtually eliminating aggressive higher harmonic distortion products.

The overall harmonic distribution of Bryston's Quad-Complementary output stage closely approaches an ideal Class-A output, except that the overall distortion is actually much lower. (True class-A output stages suffer from relatively high current-induced distortion levels, consisting of mostly lower-order harmonics).

The listening characteristics display a high degree of transparency without harshness or grain. The annoyances previously ascribed to 'transistor sound' are absent, and the amplifier seems to combine the seductive lushness of tube equipment with the focus and accuracy of solid-state.

Modular Design/Independent Power Supplies

No matter how good an amplifier's signal path may be, it's meaningless if it's starved in the power supply, an all too common way of cutting costs. One of the things that makes the Bryston SST Series unusual is the company's insistence that every amplifier in the line have a completely separate and independent power supply for each channel, including its own toroidal transformer.

Bryston's research has shown that separate power supplies provide the best imaging, clarity, and dynamic range , all attributes that are especially crucial given the emerging and demanding high resolution digital sources. The power supplies employ multiple filter capacitors per channel, rather than single pairs of larger filter cans, allowing improved high frequency response, and reducing overall losses in the supply. In the 9B SST, and 6B SST models, Bryston carries the modular concept further, making the channels removable.

Superior Ingredients

Bryston uses only the finest components, such as 0.1% metal-film resistors, polypropylene capacitors, custom-wound toroidal transformers, and hand-matched transistors, to reduce noise and distortion to the absolute minimum. Gold-plated balanced or single-ended (RCA) input connectors are standard as well as gold-plated 5-way loudspeaker binding posts, to eliminate possible causes of distortion from corrosion. As befits products intended for use on stage as well as in the home, the SST chassis are extremely robust.

Feature Flexibility

SST amplifiers offer feature flexibility. For example, all allow a choice of input connection — balanced XLR-F, balanced 1/4" phone, or single-ended RCA jack — together with a switch to select gain settings. A trigger input allows system-wide on/off control. Overall, the SST Series itself facilitates flexibility in putting together the total system through a variety of channel and power output.

Unique Burn-In Procedure

For Each and every Bryston audio product undergoes an extensive quality control "burn-in" procedure. Following a complete operational checkout, every amplifier is placed on a test-bench and run for 100 hours at full output (one-hour on/one-hour off for additional thermal stress), with a high frequency square-wave input and a capacitive load. This extremely rigorous burn-in quickly "matures" components and weeds out any potential premature failures. The result is reliable trouble-free performance for many years.

Easy System Upgrades

Bryston designed the SST Series to take into account that systems change. There's a full range of channel and power options, several amplifiers may be operated in bridged mono mode, and the 9B SST may be ordered with as few as three channels, and later expanded up to five channels.


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Page information last updated: 06/05/2020

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