The Audio Factory

PSB Alpha PS1 Powered Speakers (Pair)

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Alpha means a lot to PSB. The most popular and highly praised loudspeakers in our storied 40-year history have proudly worn the Alpha badge. For PSB, the name Alpha stands for the highest performance with the lowest price. The PSB Alpha PS1 takes the Alpha concept to an entirely new level by including a high-performance amplifier to make a complete desktop solution with enough acoustic output to rock a small to medium-sized room.

True-to-Nature Sound

Like all PSB loudspeakers, the Alpha PS1 Powered Speakers are engineered for a sound that is true-to-nature. Many small speakers employ tricks like exaggerating the treble or falsely boosting the bass to overcome limitations and poor performance, but not so with the Alpha PS1. Instead, PSB uses science and engineering perfected over many years of study at Canada’s National Research Council in Ottawa, Ontario. The result is a speaker with an extremely smooth and refined sound with surprising output capability and solid tuneful bass response that belies the Alpha PS1’s diminutive size. The response off to the sides of the speaker has the same smooth response as the sound directly in front, making the Alpha PS1s acoustically ‘disappear’ by projecting a large and exquisitely detailed sound image—a PSB performance hallmark. This is no ordinary computer speaker!

Think Beyond Your Computer… Way Beyond

Simply plug your computer, game console, tablet or smart device into the Alpha PS1 and you have a complete sound system—one with a high-end audio pedigree. For the ultimate in gaming excitement and dramatic home theatre effects, an optional powered subwoofer can easily be added by connecting to the convenient subwoofer output. The volume control will now adjust the Alpha PS1 speakers and the subwoofer together in perfect synchronization. The Alpha PS1s will give a sonic boost to all kinds of devices, from TV sets to computers to CD, DVD and Blu-ray players. The Alpha PS1 can even go wireless using Apple’s AirPlay ecosystem by just connecting an Airport Express.

Form and Function

The Alpha PS1 sports a 3.5” metalized polypropylene cone and oversized magnet structure and a 3/4” aluminum tweeter. The Alpha PS1 also includes a highly efficient 2 x 20W power amplifier. The universal power supply works with any AC voltage making it convenient for world travelers. Its curvaceous organic form is functional as well as beautiful, allowing maximum internal volume for good bass response.

A Solution with a Difference

The Alpha PS1 combines the amplifier and speaker together into a complete system solution design unlike any other. Finding separate amplifiers and speakers with this level of performance and at this price, would be impossible. Add in the small size, beautiful high gloss finish, and exceptional flexibility, and you have a speaker that is perfectly in sync with today’s world. 

Key Features

• True 2-way Powered Loudspeaker
• 90mm Metalized Polypropylene Cone Woofer
• 19mm Aluminum Dome Tweeter
• High Efficiency 2x20W Power Amplifier
• Acoustically Engineered ABS Cabinet with UV Coating
• Tuned Port Extends Low Bass Response
• Rear Mounted Volume Control
• Stereo RCA Inputs
• Stereo 3.5mm Jack Input
• 5V USB Power
• Subwoofer Output
• Universal 24V Power Supply
• 2m PowerLink Speaker Cable Connects Power to Right Speaker
• Soft Drawstring Speaker Bags
• <0.5W Standby power consumption
• Optional Tilt Base for optimal listening is available


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