PSB Alpha PS1/SubSeries 100

Compact powered speakers and subwoofer

Item #: 760APS1SUB

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2 Reviews | 2 questions - 4 answers

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PSB brings rich 2.1 stereo sound to your desktop

The compact PSB Alpha PS1 powered speaker system and SubSeries 100 powered subwoofer can fit on even the most space-challenged desks and bring your music to life with surprising punch. To be honest, we're not really too surprised. PSB conducts rigorous testing and research at Canada's National Research Council to ensure all their speakers deliver outstanding performance in the real world. No tricks here, just solid, thoughtful engineering for refined, true-to-life sound. Add in the beautiful high-gloss finish, and you have a speaker system that's ready to impress your eyes and ears.

PSB Alpha PS1 powered speakers

Turn your workspace into a concert hall

Despite a tiny footprint, the PS1/SubSeries 100 package has enough power to fill a small- to medium-sized room with robust, detailed sound. Each speaker in the stereo pair features a 3-1/2" metalized polypropylene woofer and 3/4" aluminum dome tweeter designed to maximize your ideal listening "sweet spot." This allows the Alpha PS1s to "disappear" while projecting a large and detailed soundstage. And the speakers' rounded shape offers a stylish look for your desktop.

Quick and simple set up

Hooking up this system is easy and straightforward. RCA and minijack inputs let you listen to music from your computer or a portable player, like an iPod®, or another audio source. An included cable connects the two PS1s together, allowing the 2 x 20-watt amplifier built into the left speaker to power both. There's a dedicated subwoofer output on the left speaker for connecting the SubSeries 100. (Be sure to pick up a subwoofer cable, not included.)

Compact sub makes noise like the big boys

PSB packed an amazing amount of muscle into the ultra-compact SubSeries 100. With frequency response down to 39 Hz and an adjustable crossover, it works seamlessly with the PS1 speakers to create a pint-sized sound system that delivers serious, big-dog sound.

The sub's carefully engineered and computer-optimized 5-1/4" woofer is paired with an efficient, cool-running 50-watt Class D amplifier for tight, accurate low-frequency sound. You'll feel the rumble of explosions in your favorite Hollywood blockbusters and hear the crowds roar when you score a goal in your favorite game. It's great for music, too, like when you want to really hear the taut, tuneful sound of an upright acoustic bass from a classic jazz number.

Highlights:

  • bundle includes one pair of PS1 powered speakers and one SubSeries 100 powered subwoofer
  • rear USB power outputs on left speaker and subwoofer allow you to charge connected devices (does not support audio transfer)
  • system frequency response: 39-22,000 Hz (±3dB)
  • warranty: 5 years speakers, 1 year amplifier
  • Our 60-day money-back guarantee
PS1 powered multimedia stereo speakers:
  • two 20-watt RMS amplifiers built into left speaker
  • frequency response: 80-22,000 Hz (±3dB)
  • each speaker features:
    • one 3/4" aluminum dome tweeter
    • one 3-1/2" metalized poly cone woofer
    • acoustically engineered ABS cabinet with UV coating
  • rear-mounted volume control
  • rear-panel minijack input for connecting an audio source
  • rear RCA stereo line-level input
  • left RCA port provides LFE mono subwoofer line output
  • outboard power supply and power cord included
  • 4-1/2"W x 7-11/16"H x 7-9/16"D (each)
SubSeries 100 compact powered subwoofer:
  • acoustic suspension (sealed) enclosure
  • 50-watt RMS subwoofer amplifier
  • long-throw 5-1/4" front-firing polypropylene woofer
  • frequency response: 39-150 Hz (±3dB)
  • continuously variable 50-150 Hz crossover
  • phase switch
  • unfiltered LFE (Low Frequency Effects) mode for connection to left speaker's subwoofer output
  • line-level stereo RCA inputs
  • auto on/off
  • 6-3/8"W x 6-5/16"H x 8-11/16"D

Hands-on research

What's in the box?

Download owner's manual

  • PSB Alpha PS-1: Active speaker
  • Passive speaker
  • AC power adapter (with attached 4' DC cord)
  • Two 4' AC power cords (US/EU)
  • 6.5' PowerLink cable
  • 6.5' Stereo minijack cable
  • Quick Start Guide
  • PSB SubSeries 100: Compact powered subwoofer
  • Two 5.75' AC power cords (US/EU) Quick Start Subwoofer Guide
  • Important Safety Instructions

Product Research

Alpha PS1 Powered Speakers
SubSeries 100 Power Sub

Alpha PS1 Powered Speakers

Powered Speakers: The PSB Alpha PS1 Power Speakers combine PSB's most popular Alpha Series speaker design with a built-in amplifier to make a versatile desktop solution with enough acoustic output for a small to medium sized room. The Alpha PS1 Powered Speakers are true hi-fi speakers engineered to upgrade today's audio and desktop listening experiences. Benefiting from forty years of proven acoustic excellence, these speakers use highly efficient amplifiers and state-of-the-art circuitry to create a powerful full-range system, transforming your favorite audio files into desktop concert.

True-to-Nature Sound: The Alpha PS1 Powered Speakers are engineered for the true-to-nature sound for which PSB is known. Many small speakers employ tricks like exaggerating the treble or falsely boosting bass to overcome limitations and poor performance, but not so with the Alpha PS1. Using sound research and exhaustive testing at Canada's National Research Council in the nation's capital of Ottawa, the PSB team has designed the Alpha PS1 with extremely smooth and refined sound. You'll be pleasantly surprised by its output capability and solid tuneful bass response compared to that of 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.

Two-Way Speaker Design: Each PSB Alpha PS1 Powered Speaker houses a 0.75" aluminum dome tweeter and a 3.5" metalized polypropylene cone woofer with a rubber surround and oversized magnet structure. The tweeters utilize an acoustical waveguide to deliver, more even high frequency response. The polypropylene woofers provide accurate, detailed midrange/midbass.

Digital Amplifier: The Alpha PS1 Powered Speakers are powered by highly efficient 20-watt x 2-channel RMS (40W x 2ch Peak) Class D amplifier which is built into the left speaker.

Bass Reflex Enclosure: The Alpha PS1 Powered Speakers feature an acoustically engineered ABS cabinet with UV coating. This bass reflex enclosure features a tuned slot port on the rear of the cabinet which extends low bass response.

Rear-Mount Volume Control: The PSB Alpha PS1 Power Speaker (Left) features a rear-mounted rotary volume control.

Analog Inputs: The PSB Alpha PS1 Power Speaker (Left) is fitted with a stereo RCA input and stereo minijack (3.5mm) input to connect an external audio source; such as your MP3 player, smartphone, tablet, laptop, computer, or TV. 

Subwoofer Output: For those dynamic lows, a subwoofer output (mono-RCA) on the rear-panel of the left speaker allows you to connect a powered subwoofer.

USB Charging Port: The Alpha PS1 Powered Speaker (Left) is equipped with a USB (type-A) power port to charge your USB-enabled device; such as your smartphone or tablet. The USB charging port is rated at 5V/500mA.

AC Power Supply: The Alpha PS1 Powered Speakers operate off of standard household AC current using the supplied universal power supply. The AC power adapter plugs into the left speaker, while the 6.5' PowerLink cable connects power to the right speaker.

Optional Speaker Stands: The PTB-1 tilt base (760PTB1, sold separately) is designed specifically for PSB's Alpha PS1 powered speakers. You can mount the PTB-1 to the Alpha PS1 to angle the speakers upward or flat for bettering stereo imaging, based on speaker placement. Two bases are included. Each base mounts to the bottom of the speaker using four machine screws. Each base also includes four self-adhesive rubber pads to provide safe and secure placement of your speaker.

SubSeries 100 Power Sub

5.25" Woofer/50W Amp: A specially designed 5.25" long-throw polypropylene woofer is computer optimized to get the best bass extension and dynamic range without distortion. An innovative filter pole shifting technique is used to squeeze the maximum deep bass from the specially engineered driver unit. The acoustic suspension enclosure is extremely rugged and resonance-free assuring that only the desired bass frequencies are radiated into the room for clean articulate bass response. The efficient and cool running 50W (continuous) Class D amplifier is capable of 100W dynamic peak power and carefully matched to the driver. By matching the amplifier to the driver characteristics a synergy is achieved that boosts the level of performance far beyond what could be achieved otherwise.

Volume/Crossover/Phase Control: Along with adjustable volume, there are controls for setting the crossover frequency (50-150Hz) and inverting the phase (0°/180°) to facilitate a perfect and seamless integration between the full-range or satellite speakers you have partnered with the SubSeries 100 powered sub.

Note: Recommended settings for the SubSeries 100 when matched with the PSB Alpha PS1 Powered Speaker are as follows - 0° phase, crossover half-way, and half volume (marked on sub). This combination creates an incredible micro-sized full range desktop system for your computer audio.

RCA/LFE Input: Line-level RCA inputs accept both stereo preamp outputs and the mono LFE channel input from an AV Receiver. Use the powered sub's Left RCA input for an LFE signal.

Auto On/Standby: When an audio signal is received by the SubSeries 100, the powered subwoofer turns on automatically. When no audio signal is detected, the sub's amplifier will automatically turn off after approximately 15 minutes.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

PSB Alpha PS1/SubSeries 100 Reviews

Average Customer Review:

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Wonderful PSB system

Written By redtinibob, williamstown NJ on Tuesday, April 01, 2014

Crutchfield Customer Review (What's this?)

I was absolutely amazed at the sound from this small speaker system

Wow

Written By MarkS, PacNW on Thursday, January 30, 2014

Crutchfield Customer Review (What's this?)

I am an audio snob, i would say audiophile, but snob is better. I have a large Krell amp, Sonic Frontiers tube preamp, Focal speakers, see snob. I just purchase an iMac and wanted new speakers, the old one's works fine but didn't plug into the iMac. They were THX certified, 5 speakers and sub, very good sound. These PSB's blow them away, stelar quality, beautiful sound and great bass. I have only had them 2 days and have tried all sorts of music from Bach , Led Zeppelin, several movies, Madonna , etc. They all sound good. Built quality is very high and they look very stylish next to the IMac . I put the sub behind the computer on the desk, I tried the floor but this sounds better. I don't write many reviews, but i love these small speakers, highly recommended .

Pros: Small footprint, take-up little space, sexy looking, and easy to set up.

Cons: To sound there best you need to buy the speaker stands. They should come with the stands. Also the cables are junk, with tis level of speaker buy good cables. I bought Audioquest Evergreen and am happy. I had a mother cable for the bass. I am getting a DAC, these speakers are worth it,

Get everything you’ll need to enjoy your new PSB Alpha PS1/SubSeries 100

Use a high-quality subwoofer cable for bass that draws you into your movies and music. A subwoofer cable is not included with this system.
Replace your in-the-box stereo RCA cable with a higher-quality one.
Protect your investment from power surges and interference.
Free you sub from wires with this wireless kit.
Monster Cable® 600sw

Monster Cable® 600sw

Subwoofer cable (4 meters/13.2 feet)

Item #: 119SW6004M

(24)

$59.95
Add to Cart
Monster Cable® 400sw

Monster Cable® 400sw

Subwoofer cable (4 meters/13.2 feet)

Item #: 119SW4004M

(32)

$39.95
Add to Cart
AudioQuest Black Lab

AudioQuest Black Lab

Subwoofer cable (16 meters/52.5 feet)

Item #: 703BLAB16M

(5)

$104.99
Add to Cart
CableTruth 303S

CableTruth 303S

Subwoofer cable (9 ft.)

Item #: 865SBCBL9F

(5)

$29.99
Add to Cart
AudioQuest Irish Red

AudioQuest Irish Red

Subwoofer cable (12 meters/39.4 feet)

Item #: 703IRED12M

(1)

$179.99
Add to Cart
AudioQuest Boxer

AudioQuest Boxer

Subwoofer cable (2 meters/6.6 feet)

Item #: 703BXER2M

$159.99
Add to Cart
PSB PTB-1

PSB PTB-1

Tilt base kit for PSB Alpha PS1 powered speakers

Item #: 760PTB1

(4)

$29.99
Add to Cart
Monster® iCable® 800

Monster® iCable® 800

Stereo mini patch cable

Item #: 119M2M7FT

(10)

$19.95
After $5.00 Price Break Add to Cart
AudioQuest Evergreen

AudioQuest Evergreen

Stereo mini-to-mini cable with 3.5mm plugs (0.6 meter/2 feet)

Item #: 703EGMM06M

(7)

$31.99
Add to Cart
AudioQuest Evergreen

AudioQuest Evergreen

Stereo mini-to-RCA adapter cable (0.6 meter/2 feet)

Item #: 703EGMR06M

(21)

$31.99
Add to Cart
AudioQuest Golden Gate

AudioQuest Golden Gate

Stereo mini-to-mini cable with 3.5mm plugs (0.6 meter/2 feet)

Item #: 703GGMM06M

(1)

$64.99
Add to Cart
AudioQuest Golden Gate

AudioQuest Golden Gate

Stereo mini-to-RCA adapter cable (0.6 meter/2 feet)

Item #: 703GGMR06M

(5)

$64.99
Add to Cart
AudioQuest Big Sur

AudioQuest Big Sur

Stereo mini-to-mini cable with 3.5mm plugs (0.6 meter/2 feet)

Item #: 703BSMM06M

(4)

$96.98
Add to Cart
AudioQuest Big Sur

AudioQuest Big Sur

Stereo mini-to-RCA adapter cable (0.6 meter/2 feet)

Item #: 703BSMR06M

$96.99
Add to Cart
AudioQuest Evergreen

AudioQuest Evergreen

Stereo interconnect cable with RCA plugs (8 meters/26.3 feet)

Item #: 703EGRR8M

(40)

$83.99
Add to Cart
Monster Cable Stereo Audio 400i

Monster Cable Stereo Audio 400i

Stereo interconnect cables with RCA plugs (1 meter/3.3 ft.)

Item #: 119MC4001M

(6)

$39.95
Add to Cart
Monster Cable Stereo Audio 200i

Monster Cable Stereo Audio 200i

Stereo interconnect cables with RCA plugs (2 meters/6.6 ft.)

Item #: 119MC2002M

(15)

$29.95
Add to Cart
AudioQuest Golden Gate

AudioQuest Golden Gate

Stereo interconnect cable with RCA plugs (8 meters/26.3 feet)

Item #: 703GGRR8M

(17)

$138.99
Add to Cart
AudioQuest Big Sur

AudioQuest Big Sur

Stereo interconnect cable with RCA plugs (5 meters/16.4 feet)

Item #: 703BSRR5M

(3)

$228.99
Add to Cart
CableTruth 303A

CableTruth 303A

Stereo interconnect cable with RCA plugs (6 ft.)

Item #: 865RCA6FT

(5)

$19.99
Add to Cart
Monster Cable® Digital Life™ High-Speed Mini

Monster Cable® Digital Life™ High-Speed Mini

1.5-ft. USB cable (Type A to Mini Type B)

Item #: 119USBHS15

$19.95
Add to Cart
Monster Cable® Digital Life™ High Speed

Monster Cable® Digital Life™ High Speed

USB cable (Type A to mini Type B) (3 ft.)

Item #: 119USBHSM3

(1)

$24.95
Add to Cart
Panamax MD2

Panamax MD2

Space-saving surge protector with two outlets

Item #: 299MD2

(8)

$39.99
Add to Cart
Monster PowerCenter™ AV 625

Monster PowerCenter™ AV 625

Surge suppressor

Item #: 119MPAV625

(1)

$29.99
Add to Cart
Panamax SP8-AV

Panamax SP8-AV

Power line conditioner and surge protector

Item #: 299SP8AV

(29)

$49.99
After $20.00 Sale Add to Cart
Monster Core Power® 350 USB

Monster Core Power® 350 USB

Space-saving surge protector with built-in USB charging (Black)

Item #: 119121822

$24.99
Add to Cart
Monster Core Power® 650 USB

Monster Core Power® 650 USB

Space-saving surge protector with built-in USB charging (Black)

Item #: 119121824

$29.99
Add to Cart
Monster Core Power® 600 USB

Monster Core Power® 600 USB

Surge protector with built-in USB charging

Item #: 119121888

$34.99
Add to Cart
Monster Core Power® 800 USB

Monster Core Power® 800 USB

Surge protector with built-in USB charging

Item #: 119121889

$49.99
Add to Cart
Monster Core Power® 1200 USB

Monster Core Power® 1200 USB

Surge protector with built-in USB charging

Item #: 119121890

$59.99
Add to Cart
Monster Core Power® 600 AVU

Monster Core Power® 600 AVU

Surge protector with built-in USB charging

Item #: 119121826

$39.99
Add to Cart
Monster Core Power® 800 AVU

Monster Core Power® 800 AVU

Surge protector with built-in USB charging

Item #: 119121828

$49.99
Add to Cart
Monster Core Power® 1200 AVU

Monster Core Power® 1200 AVU

Surge protector with built-in USB charging

Item #: 119121830

(1)

$59.99
Add to Cart
Focal Universal Bluetooth® Receiver

Focal Universal Bluetooth® Receiver

Wireless receiver with apt-X® high-fidelity audio streaming

Item #: 091APTXBT

(9)

$119.99
Add to Cart
MartinLogan SW2-TRD

MartinLogan SW2-TRD

Wireless subwoofer adapter kit

Item #: 839SW2TRD

$199.99
Add to Cart
Peachtree Audio BT1

Peachtree Audio BT1

Add Bluetooth® wireless playback to your existing home audio system

Item #: 731BT1

(4)

$99.99
Add to Cart
Audioengine B1

Audioengine B1

Premium Bluetooth® music receiver with extended range

Item #: 772B1ADPT

(2)

$189.99
Add to Cart
Harman Kardon BTA 10

Harman Kardon BTA 10

Add Bluetooth® wireless playback to your existing home audio system

Item #: 532BTA10

(4)

$59.99
Add to Cart
Wiremold CableMate™ Cord Organizer (CMK90)

Wiremold CableMate™ Cord Organizer (CMK90)

Conceal computer or home entertainment cables

Item #: 717CMK90

$26.99
Add to Cart
Wiremold CordMate® II Cord Organizer (CMK50)

Wiremold CordMate® II Cord Organizer (CMK50)

Conceal A/V cables in your room

Item #: 717CMK50

(2)

$26.99
Add to Cart
Wiremold CornerMate™ Cord Organizer (CMK40)

Wiremold CornerMate™ Cord Organizer (CMK40)

Conceal audio/video cables in a corner

Item #: 717CMK40

(1)

$26.99
Add to Cart
Wiremold Flat Screen TV Cord Cover (CMK30)

Wiremold Flat Screen TV Cord Cover (CMK30)

Conceal your wall-mounted TV's audio/video cables

Item #: 717CMK30

(16)

$21.49
Add to Cart
Wiremold CordMate® Cord Organizer (CMK10)

Wiremold CordMate® Cord Organizer (CMK10)

Conceal audio/video cables along your walls

Item #: 717CMK10

$24.49
Add to Cart
Bell'O CMS-169W Cable Management System

Bell'O CMS-169W Cable Management System

Conceal audio/video wires along walls

Item #: 494CMS169W

(5)

$26.99
Add to Cart
AudioQuest SorboGel Q Feet

AudioQuest SorboGel Q Feet

4 pack

Item #: 703SQFEET

$98.99
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Questions & Answers Ask the community. Share your knowledge.

2 questions already asked

I'm using my PSB's connected to a Meridian Explorer USB DAC which is connected to a USB port on my iMAC. While I'm no expert on the Airport Express, I would think that if you connect the PSB's to the 3.5mm audio jack on the back of the Airport Express, Airplay would then send the wireless signal to the speakers via the Airport Express. You should probably verify this with someone who has actually tried it to make sure that it works properly. [ Richard  Apr 18, 2014 ]
Yes they will and let me tell you the PSB PS1/ sub 100 is a wonderfully sounding system. When I played my music via Airplay I was very surprised how good they sounded . A excellent choose a speakers highly recommended . [ ROBERT  Apr 18, 2014 ]
The PSB Alpha PS1s and the subwoofer are a wonderful match for my big iMac. I use them with an Audioquest Dragonfly DAC, (and its extender, which squeezes into the USB ports on the iMac's rear end), and have been thrilled with the sound! the system is completely plug-and-play. I tinkered a bit with placing the speakers on my desktop, but found the sweet spot rather quickly. I put the subwoofer on a separate stand behind the desk, hidden by the iMac, and it sounds great there. I strongly commend this paring of source and speakers, especially with a DAC, and an Audioquest cable. [ KURT  Jan 24, 2014 ]
Thanks for your question. For information on selecting the best speakers for your system I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences and help you make the best choice for your system and your budget. [ Krissy  Jan 24, 2014 ]  Staff