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Use the BOTW P&P ECO MKII 5-6V audio upgrade to improve the sound quality of your Chord Qutest. The upgrade power supply is standard delivered with a micro-USB adapter to fit the Qutest.

Read here the review about the Qutest and Sbooster by Max Delissen, a pdf in English is available on the website.

Mains voltage
Mains cable
Sbooster Ultra

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Available at your audio dealer

The BOTW P&P ECO MKII  is the successor of our BOTW P&P ECO, which hit the market in summer 2015. For the MKII we have improved our innovative techniques of the BOTW P&P ECO in order to enhance the sound quality of your music server, streamer or other device to a even higher level. 



The BOTW P&P ECO upgrade power supplies are equipped with an interchangeable DC-tip system and have a selectable output voltages. The higher output settings are intended for the use of the Sbooster Ultra power supply add-on.

The BOTW P&P ECO MKII is available in a 100/110/115/120/220/230/240V AC 50/60Hz version. With your order, please select the version that meets your local mains voltage. Additionally, you can select one of the four mains cable variants. If you prefer to use a special audio grade power cord with the BOTW P&P ECO please note that the mains cable has to be equipped with an IEC 13 connector.


The packaging of the BOTW P&P ECO MKII includes:


1x DC tip 5.5 x 2.5 x 11mm

1x DC tip 5.5 x 2.1 x 11mm

1x DC tip 5.0 x 3.0 x 10mm (HP plug)

1x DC tip 4.8 x 1.7 x 10mm

1x DC tip 4.0 x 1.7 x 10mm

1x DC tip 3.5 x 1.35 x 9.5mm

1x Micro USB plug

1x Manual

1x Mains cable of your choice

Check for downloads and specifications the "Additional Information" 

Sbooster, enjoy more music.............

Additional Information


Output Voltage & Current

  • 5V - 3A
  • 6V - 1.75A
  • 6.5V - 1.6A
Mains Voltage*

  • 100 Volt AC 50/60Hz 
  • 110 Volt AC 50/60Hz
  • 115 Volt AC 50/60Hz
  • 120 Volt AC 50/60Hz
  • 220 Volt AC 50/60Hz
  • 230 Volt AC 50/60Hz
  • 240 Volt AC 50/60Hz
  • 50VA audio grade toroidal with electrostatic and magnetic shielding
Mains filter  
  • High performance dual stage mains filter with earth line choke
Rectifier bridge
  • Power Schottky barrier rectifiers

Bulk capacitors

  •  Low Impedance High Ripple Current Capacitors
  • High-current ultra fast transient response LDO with external high precision shunt reference circuit
Filter capacitors
  • Non inductive polypropylene film capacitors
DC power cord
  • 95cm 16 AWG spiral shielded, additional shielding and qualitly sleeving, integrated Sbooster Split-current system and interchangeable gold plated DC-plug-connector
Mains cable
  • Stock supplied
Size and Weight
  • Dimension: 240*130*75mm 1.85Kg
Safety approvals
  • CE/GS/CCC/KC/CTUVUS/FCC/PSB IEC60065 standard 
  • 24 Months

Note: the power supply is only suitable for one of the mains voltages..

Manual EN as PDF Document