Audioengine A2+ 2.75" Powered Desktop Speakers (Black)

BH #AUSA2PB • MFR #A2+B
Audioengine A2+ 2.75" Powered Desktop Speakers (Black)
Key Features
  • 2.0 Powered Speaker System
  • 2.75" Kevlar Woofer
  • ¾" Silk Dome Tweeters
  • 60W Total Peak Power
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The black A2+ 2.75" Powered Desktop Speakers from Audioengine are a 2.0 speaker system that features a powered and passive speaker. Each speaker incorporates a 2.75" Kevlar woofer and ¾" silk dome tweeter that can produce up to 30-watts of peak power. With a frequency response of 65 Hz to 22 kHz, the Audioengine A2+ speaker system can handle a wide range of audio material. The speakers also feature magnetically shielded designs to avoid interfering with closely placed video monitors.
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Audioengine A2+ Overview

  • 1Description
  • 2Power Amplifier
  • 3Shielding
  • 4Drivers
  • 5Cabinets
  • 6Based on Studio Monitor Designs
  • 7Custom Built
  • 8Compatibility
  • 9Other Features

The black A2+ 2.75" Powered Desktop Speakers from Audioengine are a 2.0 speaker system that features a powered and passive speaker. Each speaker incorporates a 2.75" Kevlar woofer and ¾" silk dome tweeter that can produce up to 30-watts of peak power. With a frequency response of 65 Hz to 22 kHz, the Audioengine A2+ speaker system can handle a wide range of audio material. The speakers also feature magnetically shielded designs to avoid interfering with closely placed video monitors.

The Audioengine A2+ speaker system uses a built-in TI/Burr Brown PCM2704C DAC for high-quality digital to analog conversion. A USB input is onboard for connecting digital devices like MP3 players. The USB port can also provide a high-quality digital connection directly to your computer, and doesn't require software for installation. RCA and ⅛" inputs are also available for connecting various types of audio sources such as computers and game consoles. USB and ⅛" audio cables are included with the A2+ speaker system. A variable RCA audio output is also built-in for connecting external components like subwoofers.

The left speaker in the Audioengine A2+ speaker system houses the power amplifier, audio connections, volume control, and power supply, while the passive right speaker connects to the left speaker via speaker wire. A 16 AWG speaker wire is included for this connection.

Power Amplifier

The amplifiers in the Audioengine speaker system are located in the left speaker. Each subsystem is tuned together for all models, which is designed to provide an efficient system that requires less power than passive speakers and separate amplifiers. Circuit boards for the power and preamp sections are vertically mounted for maximum mechanical shock protection.

Shielding

Both drivers are magnetically shielded and allow the user to place the speakers within a few inches of a video monitor. This shielding also offers protection for hard drive-based digital music players.

Drivers

Audioengine A2+ speakers use audiophile grade ferro fluid cooled, silk dome tweeters with neodymium magnets. Silk tweeters are engineered to hold up well under high power conditions and the edge-driven design produces a smooth response. The custom woofers are Kevlar woven glass aramid composite with rubber surrounds. Kevlar is a durable material, which means that the woofer retains its shape when being driven at high volume levels. Because the speakers feature robust construction, speaker grills aren't needed.

Cabinets

To minimize unwanted resonances and distortion, Audioengine cabinets have thick high-resin MDF walls with extensive internal bracing. Heavy internal sound-damping material is used to reduce unwanted sound reflections inside the cabinet. All cabinet edges are rounded which reduces high-frequency diffraction effects on the front baffles. Each cabinet contains tuned, front-port slots. Both speakers are tuned and tested together to operate in pairs.

Based on Studio Monitor Designs

Studio monitor speakers are used by producers and engineers in recording and production studios. They are designed with a theoretical flat frequency response which allows the engineer to create a final mix in such a way that the recorded music will sound good on most other speakers. Although Audioengine speakers are not designed to be up-close "nearfield" studio monitors, Audioengine speakers employ similar high-end technology, components, and design philosophy.

Custom Built

Audioengine designs its own tweeters, woofers, and many other critical components. Components like toroidal transformers, magnets, and wiring harnesses that are not made in their factory are custom-made to their specifications. The cabinets, drivers, bass port designs, amplifiers, and crossovers are all tuned together for each Audioengine model.

Compatibility

  • Desktop computers, laptops, and notebooks
  • iDevices and music players
  • Internet radio and network music systems
  • Flat panel TVs with an analog output
  • CD and DVD players
  • Videogame consoles
  • Digital radio and satellite receivers
  • All products with an ⅛" mini-jack or RCA outputs
  • Other Features

  • Power-saving idle mode
  • Standard ¼" threaded inserts for wall mounts
  • Works with Mac or Windows computers, no software to install
  • Audioengine A2+ Specs

    Type2.0 powered (active) multimedia desktop speaker system
    AmplifierDual class AB monolithic
    Power Output60 W peak power total (15 W RMS / 30 W peak per channel), AES
    Woofer1 x 2.75" (7.00 cm) Kevlar
    Tweeter1 x ¾" (1.9 cm) silk dome
    InputsLeft Speaker:
    1 x ⅛" (3.5 mm) stereo mini-jack
    1 x Stereo RCA
    1 x USB

    Right Speaker:
    1x Left speaker connector (dual posts)
    OutputsLeft Speaker:
    1 x Stereo RCA
    1 x Right speaker connector (dual posts)
    SNR>95 dB (typical A-weighted)
    THD + N<0.05 % at all power settings
    Crosstalk-50 dB
    Frequency Response65 Hz to 22 kHz (±2.0 dB)
    Input Impedance10 kOhms unbalanced
    DACTI/Burr Brown PCM2704C
    Input Bit DepthUp to 16 bits native
    Input Sample RateUp to 48 kHz native
    USB Device SupportType 1.1 or above
    ProtectionOutput current limiting, thermal over-temperature, power on/off transient protection
    Power Requirements110 to 240 VAC, 50/60 Hz auto-switching
    Dimensions (H x W x D)Each Speaker: 6.00 x 4.00 x 5.30" (15.20 x 10.16 x 13.50 cm)
    WeightLeft Speaker: 3.6 lb (1.6 kg)
    Right Speaker: 3.2 lb (1.5 kg)
    Packaging Info
    Package Weight9.135 lb
    Box Dimensions (LxWxH)15 x 10.65 x 6.95"
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