Pro-Ject Stereo Box S3 BT Compact Stereo Integrated Amplifier and Receiver Instruction Manual
- June 3, 2024
- Pro-Ject
Table of Contents
INSTRUCTIONS FOR USE
Pro-Ject Stereo Box S3 BT
Stereo Box S3 BT Compact Stereo Integrated Amplifier and Receiver
Dear music lover,
thank you for purchasing an integrated amplifier from Pro-Ject Audio Systems.
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 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
** Make all connections whilst the amplifier is disconnected from the power
supply.
Take care to connect the left and right channels correctly. The right channel
is usually marked red, the left channel black or white.
Never use any other power supply than the one supplied with the unit.
Line Inputs
Line level sources (e.g. CD player, radio or TV) can be connected to the RCA
inputs marked In 1, In 2.
Line output
A power amplifier, active loudspeakers or an active subwoofer can be connected
to the output sockets marked Variable Out.
Connection to the speakers
The output terminals accept loudspeaker cables terminated with 4mm ∅ Banana
plugs, spades connectors or naked wire.
Mains power connection
Connect the low voltage plug from the power supply to the Power 20V DC socket
of the amplifier before connecting the power supply to the mains.
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. Input 3 (BT) has an energy save function, stand-by LED goes
off when there is no BT device connected.
Input selector
Press the push button next to the 3 LEDs to switch between the inputs.
Selected input number will be illuminated.
Volume
Adjust the volume to the desired level, using the large knob on the front
panel.
BT connection
Make sure the antenna is attached to its connector on the back panel prior
using BT.
Use only supplied antenna!
BT is active only when input 3 is selected. If you want to connect your device
the first time activate the pairing mode by pressing and hold the button
►(pair) until LED 3 starts blinking. The Stereo Box S3 BT is now visible &
ready to pair for 60 seconds.
Pairing with Android devices
Open Settings and turn on BT. Start a Scan for BT devices. Searched devices
will show up. Tap on “Stereo Box S3 BT” and confirm the connection. When the
connection was successful, the LED of Input 8 lights up continuously. Now you
can play music from your Android device over BT to Stereo Box S3 BT.
BT pairing with Apple devices
Tap on Settings and turn on BT. Your device will automatically start searching
for available devices. Tap on “Stereo Box S3 BT” and confirm the connection.
When the connection was successful, the LED of Input 8 lights up continuously.
BT pairing with Windows smartphones
Open Settings and turn on BT. A scan for available devices starts
automatically. Searched devices will show up. Tap on “Stereo Box S3 BT” and
confirm presented pairing code on your Windows device. When the connection was
successful, the LED of Input 8 lights up continuously. Now you can play music
from your Windows device over BT to Stereo Box S3 BT.
** Stereo Box S3 BT can store up to 8 BT devices. If the memory is full,
new connections will automatically replace the oldest connection. A new
connection is only possible if the LED of BT input is blinking slowly (it
indicates that no device is connected). For reset turn the unit off, press &
hold input and power button, release power button. When the input 3 LED is on,
memory is erased and unit must be restarted once again.
Remote control**
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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 Stereo Box S3 BT
Power output: 2x 21W/40W at 8 ohms/4 ohms (1% THD)
Frequency response (20Hz-20kHz): < (-0,3dB; -1.5dB) at 4ohm
Channel separation: – 67dB at 10kHz
Signal to noise ratio PA output: 96dB (100 dB – ‘A’ weighted) at 4ohm
Signal to noise ratio Variable output: 91dB (93 dB – ‘A’ weighted)
THD: < 0,12% at 5W / 4 ohms
Gain: 32,5dB
Line level inputs: 2 pair RCA
Line input sensitivity: 315 mV
Line input impedance: 25 kohms
Variable line level output: 1x 3,5mm Stereo Jack
BT version: 5.0
BT music receiver codec: aptX, aptX HD, A2DP profile
BT maximum TX power: +4dBm
Speakers connectors: ∅ 4mm banana plugs, spades connectors or naked wire
Outboard power supply: 20V/3A DC, suitable for your country’s mains
supply
Power consumption in standby: <0.5W
Replacement battery remote control: 1 x CR2032 / 3V or 1 x CR2025 / 3V
Dimensions: WxHxD (D with sockets): 103 x 37 x 115 (138) mm
Weight: 450 g without power supply
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 © 2022. 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.
Waste from Electrical and Electronic Equipment (WEEE): This directive mandates
the collection and recycling of electronics and component materials in order
to reduce the amount going to landfills. Outside North America, when the user
decides to discard this product, it must be sent to a separate collection
facility for recycling. Please contact your point of purchase for more
details.
Federal Communication Commission (FCC) Interference Statement FCC Part 15:
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
– Reorient or relocate the receiving antenna
– Increase the separation between the equipment and receiver
– Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected
– Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation. FCC Radiation
Exposure Statement: This equipment complies with FCC radiation exposure limits
set forth for an uncontrolled environment. To maintain compliance with FCC´s
RF exposure guidelines, this equipment should be installed and operated with
minimum distance 20cm between the radiator and your body. Use on the supplied
antenna. Contains FCC ID: 2AMWO-FSCBT1026
Declaration of Conformity
We, Canor spol. s r.o.
Družstevná 13925/39
08006 Prešov
Slovakia (manufacturer) and
Pro-Ject Audio Systems a division of Audio Tuning GmbH
Margaretenstrasse 98
1050 Vienna, Austria
(distributor) declare under our responsibility that the product is in
conformity with the provisions of Directives:
2014/35/EU including amendments
2014/30/EU including amendments
2014/53/EU including amendments
The following harmonised standards were applied:
Health: EN62479:2010
Safety: EN60950-1:2006+A11:2009+A1:2010+A12:2011+A2:2013,
EN62368-1:2014/A11:2017,
EN61558-1:2005/A1:2009, EN61558-2-16:2009/A1:2013
EMC: EN301489-1 V2.2.0: 2017-03, EN301489-17 V3.2.0:2017-03, EN55032:2015,
EN55035:2017,
EN61000-3-2:2014, EN61000-3-3:2013
Radio Spectrum: EN300328 V2.1.1 (2016-11)
Pro-Ject Audio Systems a division of Audio Tuning GmbH
1050 Vienna, Austria, Margaretenstrasse 98 info@project-
audio.com
© Pro-Ject Audio Systems · Stereo Box S3 BT · Revision 19.04.2022
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