Pro-Ject Audio Systems Pro-Ject MaiA DS User manual

INSTRUCTIONS FOR USE
Pro-Ject MaiA DS

© Pro-Ject Audio Systems · Pro-Ject MaiA DS · Revision 2015.3.10
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Dear music lover,
thank you for purchasing a Pro-Ject Audio Systems´ amplifier.
In order to achieve maximum performance and reliability you should study these instructions for use carefully.
Warning of a hazard for the user, the unit or possible misuse.
Important notice.
Safety instructions
AC outlet voltages vary from country to country. Before connecting to the mains, make sure that the
voltage in your area meets the voltage requirements printed on the power supply.
The power supply is used to connect/disconnect the unit from the mains. Make sure that the power
supply is easily accessible at all times. Never handle the device, the power supply while your hands are
wet or damp. Avoid letting liquids enter the device or the power supply. Never place any item
containing liquid, such as a flower vase on or near the device. Never spill any liquid on the device or
the power supply. Never place any naked flame sources, such as lighted candles on or near the device.
The product shall not be used in damp or wet locations, next to a bathtub, sink, swimming pool or any
other similar conditions.
Connectors
MaiA DS
1. Make all connections except the connection to the headphone and USB whilst the unit is
disconnected from the mains.
2. Never connect or disconnect power supply to or from the unit whilst the power supply is connected to
the mains! Never use any other power supply than the one supplied with the unit with the exception of
dedicated Power Boxes which can replace original power supplies.
3. Take care to connect the left and right channels of RCA inputs correctly. The right channel is usually
marked red, the left channel black or white.
4. Speaker connections for the left speaker are located on the right hand side of rear view above,
connections to right speaker are located on the left side. Speaker connectors marked red represent +
according indicators on speaker terminal.
Line output
A power amplifier or active loudspeakers can be connected to the output sockets marked Var Output.
Record output, connecting a headphone amplifier
Fix Output connects an analogue record device or a Pro-Ject Head Box headphone amplifier.
!
!
!

© Pro-Ject Audio Systems · Pro-Ject MaiA DS · Revision 2015.3.10
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Connection to the speakers
The output terminals accept loudspeaker cables terminated with 4mm Banana plugs, spades connectors
or naked wire.
Phono input
Connect the tonearm signal lead to the Phono In1 of the amplifier. The MM/MC switch allows to adapt to
connected cartridge type. The earthing wire may be connected to the screw terminal if you encounter hum
problems when using the turntable.
Line inputs
Line level sources such as CD player, radio or TV can be connected to the input sockets marked In2, In3 or
In4.
Digital inputs
Sources with a digital output such as TV satellite/cable receiver or a game console can be connected to the
digital inputs. Optical to In5and In6and coaxial to In7.
Connecting to a Computer
Connect the USB-input In8 USB of the MaiA DS (unit must be switched on) to a free USB-socket on your
computer and turn it on/make sure it is powered on. Select input 8.
* For Windows®operating systems an USB Class 2 driver (supplied on CD) has to be installed. For MaiA DS
with Windows® version 1.61.2 or higher is needed.
Mac OS®operating systems do not need an additional driver or setup.
Linux operating systems include an USB Audio Class 2 driver from Linux Kernel 2.6.35 and higher.
Please note: Connection should be made to an USB-socket of your computer directly. Connecting to
USB-hubs or switches can cause problems.
24Bit/192kHz playback with Windows® operating systems
* For Windows®operating systems a 24Bit/192kHzUSB driver (supplied on CD) has to be installed. Insert the
included CD into the drive of your PC and follow the instructions.
After installing the driver, some settings have to be checked/done.
For example - Windows 7®operating system:
Control Panel Hardware and Sound SoundPlayback:
select Speaker/MaiA USB 2.0 Audio Out
Properties Supported formats: make sure nothing is assigned
Level Sound: setting must be 100
Enhancements: disable all enhancements Advanced Default Format: set to studio quality 24/192
DSD playback
Playback of DSD files (.dff, .dsf) is possible over USB. Player capable of playing DSD files is required in your
computer. Setup guide is available on our website http://www.box-designs.com

© Pro-Ject Audio Systems · Pro-Ject MaiA DS · Revision 2015.3.10
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Mains power connection
Connect the low voltage plug from the power supply to the 24V DC Power socket before connecting the
power supply to the mains.
Remote control
turns the unit on or back into standby
and adjust the sound volume
- and select the inputs
Blank button confirms Bluetooth pairing
Activate/deactivate mute
Front panel controls
To switch on from standby or to standby
The push button on the left side of the front panel turns the unit on or back into standby. The blue LED above
the stand-by push button shows that the unit is switched on. Mute is active when LED is blinking.
Input selector
After the unit is powered on, pressing the buttons◄ and ►next to the LEDs inputs indicators selects
desired input.
Volume
Adjust the volume to the desired level, using the large knob on the front panel.
Connecting a headphone
Connect the headphones to the ¼“ (6,3mm ) jack socket on the front of the unit.
1
ON/OFF
0
VOL
0+
VOL
1
9
0
CH
0+
CH

© Pro-Ject Audio Systems · Pro-Ject MaiA DS · Revision 2015.3.10
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Bluetooth connection
Make sure the antenna is attached to its connector In9 BT on the back panel prior using Bluetooth. If the Pair
LED is on, active audio connection with Bluetooth device is established.
Pairing with Android devices
Open Settings and tap on Bluetooth. Turn on Bluetooth and tap on Scan. Searched devices will show up.
Tap on "MaiA DS" and confirm presented pairing code on your Android device. Then press Pair button on
MaiA DS (alternatively Blank button on remote control) when the blue Pair LED starts blinking. When paired
with MaiA DS, your Android device will show "Connected to media Audio". Now you can play music from
your Android device over Bluetooth to MaiA DS.
Older devices may request a pairing code. Enter "0000" and confirm. No more confirmation on MaiA
is then needed.
Bluetooth pairing with Apple devices
Tap on Settings, tap on Bluetooth, turn on Bluetooth. Your device will automatically start searching for
available devices. Tap on "MaiA DS" and confirm by pressing Pair button on MaiA (alternatively Blank button
on remote control) when the blue Pair LED of is blinking.
Bluetooth pairing with Windows smartphones
Open Settings and tap on Bluetooth. Turn on Bluetooth and a scan for available devices starts automatically.
Searched devices will show up. Tap on "MaiA DS" and confirm presented pairing code on your Windows
device. Then press Pair button on MaiA DS (alternatively Blank button on remote control) when the blue Pair
LED is blinking. When paired with MaiA DS, your Windows device will show "Connected to media Audio".
Now you can play music from your Windows device over Bluetooth to MaiA DS.
Bluetooth pairing with Windows PC
For example - Windows 7®operating system:
Control Panel Devices and PrintersAdd device
Select MaiA DS (make sure no other Bluetooth device is connected) Confirm by pressing Pair button on
MaiA (alternatively Blank button on remote control) when the blue Pair LED is blinking
PC screen will display this question: “Confirm if code is identical”
Select “Yes” and continue
Select MaiA DS from list of devices with double-click
Select “Listen to music” and make sure that “Bluetooth Audio” is selected as standard device
A new connection is only possible if the Pair LED is off (it indicates that no device is connected). If a
problem with Bluetooth connection occurs, it is necessary to reset memory and to delete all paired
devices. For reset turn off the unit > disconnect power supply > press & hold power button >
connect power supply > still hold power button for another 5 seconds > release power button. The
blue LED above the power button will blink for few seconds. When the LED stops blinking, memory is
erased and you can turn on the unit.
!
!

© Pro-Ject Audio Systems · Pro-Ject MaiA DS · Revision 2015.3.10
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Bluetooth remote control function via App
IR emitting diodes are located on the front panel of the product. Free view has to be ensured for reliable use
of remote control function.
Bluetooth connection must be established prior using MaiA DS remote control function over Box control app.
Bluetooth remote control function is available in Box control app version 1.5 and higher.
- Connect your Android or Apple device to MaiA DS over Bluetooth
- Run Box Control app
-After first start is automatically opened Setup wizard, in the first step (Select your Devices) select MaiA DS
remote and confirm with "Next" and in second step check all the remotes you want to use and confirm with
"Next".
Once remotes are confirmed, your Android or Apple device can be used for IR control of selected products.

© Pro-Ject Audio Systems · Pro-Ject MaiA DS · Revision 2015.3.10
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Replacing batteries
Proceed as follows:
Unlock and slide open the battery case cover
Replace the battery.
Make sure the battery is the right way round !
Close the battery case cover
Battery type: 1 x CR2032 / 3V or 1 x CR2025 / 3V
Do not dispose the batteries as ordinary domestic refuse. Please dispose your exhausted batteries at
the appropriate collection sites - usually located at supermarkets and drugstores.
Technical specifications Pro-Ject MaiA DS
Power output : 2x 40W/55W at 8 ohms/4 ohms (both channels driven)
Frequency response : 20Hz - 20kHz (-0,3dB, -2,5dB)
Channel separation : > 65dB at 20kHz
Noise floor Line/MM/MC: > -90dB / -84dB / -75dB (A weighted)
THD : < 0,07% at 15W
Gain : 34dB (measured via line level input)
Line level inputs : 3 pair RCA
Line input sensitivity : 350mV
Line input impedance : 50kohms
Phono input : 1 pair RCA
Phono input sensitivity : suitable for MM, MI or MC cartridges
Phono input impedance MM/MC : 47kohms / 100ohms
Phono input gain MM/MC: 44dB / 64dB
S/PDIF coaxial input : up to 24bit and 192kHz
S/PDIF optical input : up to 24bit and 96kHz
USB input : USB Audio Class 2 requires USB 2.0 or higher on computer
USB data transfer : Asynchronous with DSD DoP 64/128/256 support
Digital to Analogue converter : PCM1796 24bit/192kHz Multi-bit Delta Sigma type
Variable line level output : RCA
Bluetooth version: 2.1 +EDR
Bluetooth music receiver codec : aptX, A2DP profile, SPP for an app remote control
Bluetooth range : 10 meters in direct visibility between source and receiver
Speakers connectors: 4mm banana plugs, spades connectors or naked wire
Headphone output : 6,3mm jack (16 –600ohms)
Outboard power supply : 24V/5A DC, suitable for your country's mains supply
Power consumption : max. 5A DC, <1W in standby
Replacement battery remote control : 1 x CR2032 / 3V or 1 x CR2025 / 3V
Dimensions W x H x D (D with sockets) : 206 x 72 x 150 (165)mm
Weight : 1550 g without power supply

© Pro-Ject Audio Systems · Pro-Ject MaiA DS · Revision 2015.3.10
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Service
Should you encounter a problem which you are not able to alleviate or identify, please contact your dealer for
further advice. Only if the problem cannot be resolved there, the unit should be sent to the responsible
distributor in your country.
Warranty
The manufacturer accepts no responsibility for damage caused by not adhering to these instructions
for use. Modification or changes to any part of the product by unauthorized persons release the
manufacturer from any liability over and above the lawful rights of the customer.
Copyright, trademarks
Pro-Ject Audio Systems is a registered Trademark of
H. Lichtenegger.
This guide was produced by: Pro-Ject Audio Systems
Copyright ©2015. All rights reserved.
The information was correct at the time of going to
press. The manufacturer reserves the right to make
changes to the technical specification without prior
notice as deemed necessary to uphold the ongoing
process of technical development.