Tech Specs

A1 Home Music System w/ Bluetooth aptX

Talk about versatile. The Audioengine A1 Home Music System delivers high-quality sound from your phone, tablet, computer, or even your turntable or tape deck, without breaking the bank. Choose between wired or wireless connections—either way, it’s crystal clear. With Bluetooth aptX, you’ll get CD-like quality and all you give up are the cords. And the A1 comes with a subwoofer output that pairs perfectly with our S6 Powered Subwoofer.

Pro Tip For optimal sound from the A1 speakers, use a Bluetooth connection. This method bypasses the lower quality audio parts in your device, letting the built-in DAC in the A1 improve the sound quality.

Quickstart Guide

Technical Specifications

General Specifications

Type
Powered Bluetooth aptX speaker system

Amplifier Type
Class D

Rated Power Output: 15W RMS per channel (measured in compliance with 16 C.F.R. § 432.3)
Peak Power Output: 30W per channel (AES)
Total Peak Power Output: 60W (AES)

Drivers
2.75” aramid fiber woofers

0.75“ Silk dome tweeters

Inputs
3.5 mm stereo mini-jack, Bluetooth

Outputs
LFE Variable line-out for subwoofer

Input Voltages
100-240 V 50/60 Hz auto-switching

SNR
Greater than 95 dB (typical A-weighted)

THD+N
Less than 0.05% at all power settings

Crosstalk
Less than 50 dB

Frequency Response
65 Hz-22 kHz ±2.0 dB

Frequency Response w/ Bass Reduction Switch selected
N/A

Analog Input Impedance
N/A

Nominal Impedance
N/A

Input Impedance
10K ohms unbalanced

Crossover Frequency
N/A

Protection
Output current limiting, thermal over-temperature, power on/off transient protection

Power Consumption
Idle: 10W

Standby Consumption
N/A

Phase
N/A

Recommended Amplifier Power
N/A

Battery Life
N/A

Battery Charge Time
N/A

Bluetooth Specifications

Internal D/A Converter
N/A

Internal BT Receiver
CSR8670

Input Bit Depth
16 bit

Bluetooth Receiver Type
Bluetooth 5.0

Supported Codecs
aptx, AAC, SBC

Supported Bluetooth Profiles
N/A

Wireless Operation Range
Up to 100 ft (30 m) typical

Input Data Rate
Determined by Bluetooth

Wireless Latency
~30 milliseconds (ms)

Usb Specifications

Connector Type
N/A

USB Device Class
N/A

Input Bit Depth
N/A

Input Sample Rate
N/A

Headphone Amp Specifications

Headphone Amp Type
N/A

Full-scale Headphone Output Level
N/A

Output Impedance
N/A

Recommended Headphone Impedance Level
N/A

Optical Specifications

Internal D/A converter
N/A

Input Bit Depth
N/A

Sample Rate
N/A

Weights And Measures

Dimensions (HWD)
Each speaker – 6″ (15.2 cm) x 4″ (10.2 cm) x 5.25″ (13.3 cm)

Weight
Left (active) – 3.1 lb (1.4 kg)
Right (passive) – 2.4 lb (1.1 kg)

Total Shipping Weight
7.6 lb (3.5 kg)

Shipping Box Dimensions (LWH)
15″ x (38.1 cm) 7.25″ (18.4 cm) x 11″ (27.9 cm)

Environmental Requirements

Operating temperature: 32 degrees F to 95 degrees F
Non-operating temperature: -4 degrees F to 113 degrees F
Relative humidity: 5% to 95% non-condensing

Materials And Construction

0.7″ (18 mm) thick MDF cabinets
0.75″ (20 mm) silk dome tweeters with neodymium magnets
2.75″ (70 mm) aramid fiber woofers with advanced voice coils

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 look great and reduce high-frequency diffraction effects on the front baffles. The A1 cabinet contains tuned, front-port slots.

Furniture Grade Finishes

The A1 cabinets are in versatile, grey finish offering a modern compliment to any small space or desktop.

Custom Components

Audioengine designs and manufactures our own tweeters, woofers, and other critical components. In other words, these are not “box built” speakers with off-the-shelf parts but custom-designed to our specifications. What we do not fabricate directly in our factory we have made to our designs (parts such as transformers, magnets, and wiring harnesses, for example). The cabinets, drivers, bass port designs, amplifiers, and crossovers are all painstakingly tuned together for each Audioengine model. This, in turn, makes for a much more efficient system that requires much less power than passive speakers and a separate integrated amplifier or similar A/V components.

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, we do carry over much of the same higher-end technology, components, and design philosophy for all Audioengine speaker systems.

Efficient Integrated Design

The speaker cabinets, drivers, innovative bass port designs, amplifiers, and passive crossovers are all critically tuned together for each Audioengine model. This, in turn, makes for a much more efficient system that requires less power than passive speakers and a separate integrated amplifier or similar A/V components. We build all this goodness into the left speaker cabinet to make it super-easy to connect your smartphone, tablet, computer, TV, network player or any other audio product.

High-quality Bluetooth Audio

The Bluetooth built into the A1 Wireless speakers features aptX coding which is an advanced Bluetooth audio codec with very impressive sound. And even if your phone or tablet does not have aptX, the A1 Wireless Bluetooth solution is backwards-compatible with SBC and AAC codecs, so you can wirelessly stream music from any Bluetooth-enabled device and still enjoy all your music. High-fidelity Bluetooth aptX that really works and sounds great.

Extended-range wireless. Most Bluetooth implementations have very limited range, typically within just one room. But with careful signal management circuitry and antenna tuning, we offer a superior solution that has up to 3 times the range of standard Bluetooth for multi-room use, with no degradation in audio quality.

16 bit DAC
The A1 Bluetooth receiver utilizes the PCM 2704C DAC, known for extremely-low quantization noise in the audio band, with a built-in analog low-pass filter that removes the high-frequency components of the noise-shaping signal.

Amplifier Design

The amplifiers in powered Audioengine speakers are located in the left speaker and are a conservatively-rated class D analog monoblock design. This is a more traditional speaker/amplifier marriage which provides excellent quality audio and greater flexibility. All circuit boards for the power and preamp sections are vertically mounted for maximum mechanical shock protection.

Driver Designs

Audioengine uses audiophile-quality, ferrofluid-cooled silk dome tweeters with neodymium magnets. Silk tweeters hold up well under high power and the edge-driven design gives very smooth response. The woofers are aramid fiber woven glass composite with rubber surrounds. Aramid fiber is obviously very strong, which means the woofer retains its shape when being driven at high levels.

Shielding

Both drivers are directly video 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 digital music players.

Quickstart Guide

A1 Quick Setup

Step 1: Connect the included speaker wire from the A1 left (powered) speaker to the right (passive) speaker, observing proper polarity to each speaker connector.

Step 2: Verify that the volume/power knob on the rear panel of the left speaker is in the OFF position by rotating the knob until it clicks off..

Step 3: Connect the cable from the external power supply to the A1 left speaker rear panel.

Step 4: Connect the Ac power cord to the A1 left speaker rear panel and plug the other end of the cable into a functioning power outlet.

Wireless Connection

Step 1: Turn power on via the rear panel volume/power knob.
A1 will automatically go into Bluetooth “pair mode” and the Pair button on the rear panel will start flashing.

Step 2:: On your device (phone, tablet, computer, etc), turn on Bluetooth and go to Bluetooth preferences.

Step 3: Select “Audioengine ONE” to pair and connect. The Pair indicator on the A1 rear panel should be solid.

Step 4: Play your music and adjust volume levels on A1 and your device.

Step 5: To add additional devices put A1 back into pair mode by disconnecting A1 from your device or by pressing and holding the Pair button on the A1 rear panel until the pair indicator starts flashing. Repeat steps 2 & 3 to connect another device.

A1 can wirelessly connect to only one device at a time, however it will pair with and remember up to 6 different devices.

Wired Connection

Step 1: Connect an audio cable between your device and the input on the A1 rear panel.

Step 2: Play your music and adjust the volume on the speakers and your device to the desired listening levels.

 


For the full setup guide, download the attached PDF: 

A1 Quick Start Guide

Troubleshooting

A1 Troubleshooting Tips

The following troubleshooting tips can help diagnose and correct most concerns with the A1. We have attempted to make this list as comprehensive as possible, so some of these may not apply to your issue, but please go through each tip.

If the power indicator on the A1 is not illuminated, try these tips:

  1. Make sure the AC power cord is connected to the power supply unit and to a working AC power outlet.
  2. Check that the cable at the other end of the power supply is correctly connected to the rear panel of the left speaker.

If the power supply light is on but you are experiencing an audio-related issue with a wired connection, try these tips:

  1. Verify that the volume/power control on the rear panel is not turned all the way down or powered off (we recommend setting the volume to at least the 10 o’clock position)
  2. Check that the volume level of your audio source components or devices is not set to minimum volume or powered off.
  3. Check speaker wire connections from the left (powered) speaker to the right (passive) speaker. Confirm this by removing the speaker wire from on each speaker and reconnecting.  Also check the speaker wire polarity by verifying that the wires are going to same terminals on both speakers.
  4. Check that the cable from your audio source to the speakers are properly connected. Confirm this by unplugging the audio cable and then reconnecting.
  5. Decrease the volume of the input audio source and increase the volume of the speakers.
  6. Try using different audio input sources and/or devices to see if the problem follows.
  7. If you are using a computer with your A1, make sure the volume is up on your media players, internet radio, master control, device volume, etc. and the balance control is centered.

If your input source has its own EQ, please make sure the low end is at a moderate level, as having too much bass can cause distortion.

  • If you are using a wireless adapter, preamp, or external DAC with these speakers, remove them (temporarily) and connect the audio input source directly to the speakers.
  • Move your speakers to a different location to see if something is causing interference in the current setup.  Something as simple as a wireless internet router, cordless or mobile phone, or halogen lamp near the speakers can cause interference.

A1 troubleshooting tips – Bluetooth

  1. Verify that the A1 is connected to power and that the front volume knob is turned clockwise past the detent position (you should feel a click).  If you haven’t already, power-cycle your speakers by switching them off and back on.
  2. If your A1 is already connected to a device via Bluetooth, the Bluetooth pair light on the back panel of the left speaker will be on and solid (note that if your A1 has been idle and not connected to a device for more than 2 minutes, the Pair light will automatically turn off).  Tap the Pair button and it should begin blinking (or pair to your A1 using your source device, and the LED will go from off to on and solid).
  3. Try playing audio from more than one application on your phone/tablet, or computer.
  4. Check to make sure your source device (computer, tablet, phone, etc) is running the most up-to-date version of software available. For Mac OS users, be sure to check the App store to see if there’s a newer version of Mac OS you could be running.
  5. Try disconnecting from and forgetting the A1 through your device’s Bluetooth settings, and re-pairing to the A1.
  6. Try using a different source device with your A1 to see if the issue follows.  Also be sure to test your A1 using the analog input as well.
  7. If possible, try your A1 in a different location to see if something is causing an issue in the current setup.  Something as simple as a wireless internet router, cordless or mobile phone, or halogen lamp near the speakers may be causing interference in your setup.

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