Build your own high-end class D monoblock amplifier based on the Eigentakt technology from Purifi Audio.   HighlightsAll-in-one monoblock kitEasy assembly and no soldering requiredUnprecedentedly low distortion over frequency and power rangeNeutral and transparent reproductionPlenty of power (500W @ 4 ohm and 950W @ 2 ohm)Compact design Product details SoundImpress DIY PU500-1CH-Kit | 1x500W @ 4 ohm | Eigentakt | Powered by Purifi The Eigentaktimplementation from Purifi is one the best amplifier technologies available. This class D technology meets high standards and gives super performance an any playback level, regardless of load. The EVAL3 stands among the top of our amplifier module technology. Besides impeccable performance, this kit features everything you need to build your own Eigentakt monoblock amplifier. The main parts are the Purifi EVAL3 amplifer modules, SMPS1200A400 switch mode power supply and the SoundImpress DIY Monoblock Case. The amplifier module and power supply combination enable the best performance available from the Ncore technology. The black anodized case provides good heat dissipation and a compact design. Along with the main parts, everything else you need to build a powerful high-quality monoblock amplifier is included. Assembly only requires proper positioning, around 25 bolts to be tightened and some connectors to be clicked.  Anybody comfortable with a screwdriver can build one of the best amplifiers available. What's In The BoxPurifi EVAL3 amplifer moduleSMPS1200A400 switch mode power supplySoundImpress DIY Monoblock CaseSignal cable with XLR female chassisAll internal cablesIEC C14 power connector (including fuse)On/Off SwitchBinding postsAll needed bolts FAQQ: I have a stereo system. Do I need two of these?A: A monoblock is an amplifier that only has one channel. A stereo setup requires two channels; you would need two monoblock amplifiers for a stereo setup. Compared to a stereo amplifier, this might seem cumbersome. However, a monoblock features a complete power supply for one channel. This allows for the best performance.Show more Show less

This High-end class D mono amplifier, based on the Eigentakt technology from Purifi Audio, offers its users a powerful 950W @ 2 ohm channel. Making this SoundImpress amplifier very capable and highly affordable. The SoundImpress brand stands for outstanding quality, timeless designs, and Dutch craftsmanship. This amplifier is built to last as it is extensively tested and manually assembled to ensure every last detail is checked. HighlightsPowered by state-of-the-art Purifi Eigentakt technology  Up to 1 x 950 Watt at 2 ohm loadEfficiency up to 94%, further reducing power consumptionHigh quality aluminum chassis to even increase further heat dissipation capacityUnprecedentedly low distortion over frequency and power rangeBalanced analog inputs (XLR)Banana-plug speaker connectorsHigh quality aluminum chassis to offer extra heat dissipation capacityDimmable LEDAssembled by hand in the Netherlands5 year Warranty Product details SoundImpress PU500 Mono Amplifier | 1x500W @ 4 ohm | Eigentakt | Powered by Purifi The SoundImpress PU500 mono amplifier is made by audio enthusiasts for audiophiles. It is known that this mono amplifier has one of the biggest impacts on how the music sounds. Even high-end woofers from superb brands such as Scan-Speak hold back on their true potential when connected to an inferior amplifier. This state-of-the-art Class-D amplifier from SoundImpress ensures that you squeeze the absolute maximum out of your speakers! State of the art class-D amplifier by SoundImpressThanks to high precision parts such as op-amps, high voltage gate drivers and high current MOSFETs, this amplifier can power almost any speaker. Be it a single subwoofer or your sophisticated 3-way tower. Thanks to the efficiency, a high loop gain can be obtained, creating an unparalleled performance. The Eigentakt implementation from Purifi is one of the best amplifier technologies available. The amplifier board used in this design is the newly designed 1ET7040SA from Purifi. This class-D technology meets high standards and gives super performance at any playback level, regardless of load. This results in a stable, dynamic and realistic sound image, at any music genre. This amplifier will squeeze (with a proper music source and proper pre-amplification) all the dynamics out of your music without distortion, and at any volume. Minimalistic but powerfulPacked within a minimalistic, high quality aluminum chassis, this is more than just another powerful amplifier. Gone are the days of needing to have a massive, heavy weighted mono power amplifier to have excellent sound and achieve some volume. The amplifier can deliver all its power from as low as 2 ohm impedance combined with low idle loss, very low distortion and noise levels!  In addition, this amplifier has a nice appearance, an imposing look that takes away all the attention from your other home audio devices. A minimalistic design without compromising on performance or additions of cooling elements. Every amplifier comes with our own stamp of approval, our iconic “S”-logo, on the front plate. This branding ensures that you own a piece of real quality, that is built to last. A small (dimmable) LED displays is implemented to show when the device is on or off. But not only the case is puristic; the mono amplifier features the input and outputs your speaker set-up deserves. The amplifier features XLR balanced inputs. Convenient banana-plug speaker connectors have been chosen as outputs. This 950W @ 2 ohm mono class-D amplifier is ready to bring new life to any system! What's In The BoxSoundImpress PU500-1CH Mono AmplifierIEC C13 power cable (UK/EU/US) SoundImpress manualShow more Show less

Build your own high-end class D stereo amplifier based on the Eigentakt technology from Purifi Audio.   HighlightsAll-in-one stereo amplifier kitEasy assembly and no soldering requiredUnprecedentedly low distortion over frequency and power rangeBalanced analog inputs (XLR) and banana-plug speaker connectorsOn-board voltage regulatorsCompact designStand-by optionTwo gain options Product details SoundImpress DIY Stereo Kit | 2 x 425W | Eigentakt | Powered by Purifi The Eigentaktimplementation from Purifi is one the best amplifier technologies available. This class D technology meets high standards and gives super performance an any playback level, regardless of load. The EVAL1 stands among the top of our amplifier module technology. Besides impeccable performance, this kit features everything you need to build your own Eigentakt stereo amplifier. The main parts are the Purifi EVAL1 amplifer modules, SMPS1200A400 switch mode power supply and the SoundImpress DIY Stereo Case. The amplifier module and power supply combination enable the best performance available from the Eigentakt technology. The black anodized case provides good heat dissipation and a compact design. Along with the main parts, everything else you need to build a powerful high-quality stereo amplifier is included. Assembly only requires proper positioning, around 25 bolts to be tightened and some connectors to be clicked.  Anybody comfortable with a screwdriver can build one of the best amplifiers available. What's In The BoxPurifi EVAL1 amplifer moduleSMPS1200A400 switch mode power supplySoundImpress DIY Stereo CaseSignal cable with XLR female chassisAll internal cablesIEC C14 power connector (including fuse)IEC C13 power cableOn/Off SwitchBinding postsAll needed boltsShow more Show less

This high-end class-D stereo amplifier, based on the Eigentakt technology from Purifi Audio, offers its users a powerful 425W per channel. Making this SoundImpress amplifier very capable and highly affordable. The SoundImpress brand stands for outstanding quality, timeless designs, and Dutch craftsmanship. This amplifier is built to last as it is extensively tested and manually assembled to ensure every last detail is checked. HighlightsPowered by state-of-the-art Purifi Eigentakt technology  Up to 2 x 450 Watt at 2 ohm loadEfficiency up to 94%, further reducing power consumptionHigh quality aluminum chassis to even increase further heat dissipation capacityUnprecedentedly low distortion over frequency and power rangeBalanced analog inputs (XLR)Banana-plug speaker connectorsHigh quality aluminum chassis to offer extra heat dissipation capacityDimmable LEDAssembled by hand in the Netherlands5 year Warranty Product details SoundImpress PU400 Stereo Amplifier | 2 x 425W | Eigentakt | Powered by Purifi The SoundImpress PU400 stereo amplifier is made by audio enthusiasts for audiophiles. It is known that this amplifier has one of the biggest impacts on how the music sounds. Even high-end woofers from superb brands such as Scan-Speak hold back on their true potential when connected to an inferior amplifier. This state-of-the-art Class-D amplifier from SoundImpress ensures that you squeeze the absolute maximum out of your speakers! State of the art class-D amplifier by SoundImpressThanks to high precision parts such as op-amps, high voltage gate drivers and high current MOSFETs, this amplifier can power almost any speaker. Be it a single subwoofer or your sophisticated 3-way tower. Thanks to the efficiency, a high loop gain can be obtained, creating an unparalleled performance. The Eigentakt implementation from Purifi is one of the best amplifier technologies available. This class-D technology meets high standards and gives super performance at any playback level, regardless of load. This results in a stable, dynamic and realistic sound image, of any music genre. This amplifier will squeeze (with a proper music source and proper pre-amplification) all the dynamics out of your music without distortion, and at any volume. Minimalistic but powerfullPacked within a minimalistic high quality aluminum chassis, this is more than just another powerful amplifier. Gone are the days of needing to have a massive power amplifier to have excellent sound and achieve some volume. The amplifier can deliver all its power from as low as 2 ohm impedance combined with low idle loss, very low distortion and noise levels!  In addition, this amplifier has a nice appearance, an imposing look that takes away all the attention from your other home audio devices. A minimalistic design without compromising on performance or additions of cooling elements. Every amplifier comes with our own stamp of approval, our iconic “S”-logo, on the front plate. This branding ensures that you own a piece of real quality, that is built to last – with many more products to come. A small (dimmable) LED displays is implemented to show when the device is on or off. Not only the case is puristic; the stereo amplifier features the input and outputs your speaker set-up deserves. The amplifier features XLR balanced inputs. Convenient banana-plug speaker connectors have been chosen as outputs. This 425 watt class-D amplifier is ready to bring new life to any system! What's In The BoxSoundImpress PU400-2CH Stereo AmplifierIEC C13 power cable (UK/EU/US) SoundImpress manualShow more Show less

Build your own high-end class D monoblock amplifier based on the Eigentakt technology from Purifi Audio.   HighlightsAll-in-one monoblock kitEasy assembly and no soldering requiredUnprecedentedly low distortion over frequency and power rangeNeutral and transparent reproductionPlenty of powerCompact design Product details SoundImpress DIY Mono Kit | 425W | Eigentakt | Powered by Purifi The Eigentaktimplementation from Purifi is one the best amplifier technologies available. This class D technology meets high standards and gives super performance an any playback level, regardless of load. The EVAL2 stands among the top of our amplifier module technology. Besides impeccable performance, this kit features everything you need to build your own Eigentakt monoblock amplifier. The main parts are the Purifi EVAL2 amplifer modules, SMPS1200A400 switch mode power supply and the SoundImpress DIY Monoblock Case. The amplifier module and power supply combination enable the best performance available from the Ncore technology. The black anodized case provides good heat dissipation and a compact design. Along with the main parts, everything else you need to build a powerful high-quality monoblock amplifier is included. Assembly only requires proper positioning, around 25 bolts to be tightened and some connectors to be clicked.  Anybody comfortable with a screwdriver can build one of the best amplifiers available. What's In The BoxPurifi EVAL2 amplifer moduleSMPS1200A400 switch mode power supplySoundImpress DIY Monoblock CaseSignal cable with XLR female chassisAll internal cablesIEC C14 power connector (including fuse)On/Off SwitchBinding postsAll needed bolts FAQQ: I have a stereo system. Do I need two of these?A: A monoblock is an amplifier that only has one channel. A stereo setup requires two channels; you would need two monoblock amplifiers for a stereo setup. Compared to a stereo amplifier, this might seem cumbersome. However, a monoblock features a complete power supply for one channel. This allows for the best performance.Show more Show less

This High-end class-D mono amplifier, based on the Eigentakt technology from Purifi Audio, offers its users a powerful 425W channel. Making this SoundImpress amplifier very capable and higlhy affordable. The SoundImpress brand stands for outstanding quality, timeless designs, and Dutch craftsmanship. This amplifier is built to last as it is extensively tested and manually assembled to ensure every last detail is checked. HighlightsPowered by state-of-the-art Purifi Eigentakt technology  Up to 1 x 400 Watt at 2 ohm loadEfficiency up to 94%, further reducing power consumptionHigh quality aluminum chassis to even increase further heat dissipation capacityUnprecedentedly low distortion over frequency and power rangeBalanced analog inputs (XLR)Banana-plug speaker connectorsHigh quality aluminum chassis to offer extra heat dissipation capacityDimmable LEDAssembled by hand in the Netherlands5 year Warranty Product details SoundImpress PU400 Mono Amplifier | 1 x 400W | Eigentakt | Powered by Purifi The SoundImpress PU400 mono amplifier is made by audio enthusiasts for audiophiles. It is known that this mono amplifier has one of the biggest impacts on how the music sounds. Even high-end woofers from superb brands such as Scan-Speak hold back on their true potential when connected to an inferior amplifier. This state-of-the-art Class-D amplifier from SoundImpress ensures that you squeeze the absolute maximum out of your speakers! State of the art class-D amplifier by SoundImpressThanks to high precision parts such as op-amps, high voltage gate drivers and high current MOSFETs, this amplifier can power almost any speaker. Be it a single subwoofer or your sophisticated 3-way tower. Thanks to the efficiency a high loop gain can be obtained, creating an unparalleled performance. The Eigentakt implementation from Purifi is one the best amplifier technologies available. This class-D technology meets high standards and gives super performance at any playback level, regardless of load. This results in a stable, dynamic and realistic sound image, at any music genre. This amplifier will squeeze (with a proper music source and proper pre-amplification) all the dynamics out of your music without distortion, and at any volume. Minimalistic but powerfullPacked within a minimalastic high quality aluminum chassis, this is more than just another powerful amplifier. Gone are the days of needing to have a massive heavy weighted mono power amplifier to have excellent sound and achieve some volume. The amplifier can deliver all its power from as low as 2 ohm impedance combined with low idle loss, very low distortion and noise levels!  In addition, this amplifier has a nice appearance, an imposing look that takes away all the attention from your other home audio devices. A minimalistic design without compromising on performance or additions of cooling elements. Every amplifier comes with our own stamp of approval, our iconic “S”-logo, on the front plate. This branding ensures that you own a piece of real quality, that is built to last. A small (dimmable) LED displays is implemented to show when the device is on or off. But not only the case is puristic; the mono amplifier features the input and outputs your speaker set-up deserves. The amplifier features XLR balanced inputs. Convenient banana-plug speaker connectors have been chosen as outputs. This 400 watt mono class-D amplifier is ready to bring new life to any system! What's In The BoxSoundImpress PU400-1CH Mono AmplifierIEC C13 power cable (UK/EU/US) SoundImpress manualShow more Show less

Build your own high-performance quad amplifier based on the 700AS2 module from ICEpower. This SoundImpress DIY quad amplifier kit all-in-on amplifier, designed for a wide range of audio applications, ranging from public address systems to ultrahigh-fidelity replay systems for studio and home use. The SoundImpress brand stands for outstanding quality, timeless designs, and Dutch craftsmanship. This amplifier kit gives you the opportunity to make an amplifier, when properly assembled, built to last as it's modules are extensively tested.  HighlightsAll-in-one quad amplifier kitAmplifier and Power Supply integrated solutionEasy to assambleUniversal mains with active Power Factor CorrectionDetailed step-by-step instructionsVery low distortion over whole frequency rangeMinimum load impedance at 2.7 OhmThermal and over-current protectionSound optimized soft clipping Product details SoundImpress ICE700-4CH-Kit 4x400W DIY Amplifier Kit Powered by ICEpower As sound sources have evolved from LP's to CD's to streaming audio, a high quality power amplifier remains a key ingredient to any good Hi-Fi stereo setup. No matter whether you need an mono amplifier for your small bookshelf speakers, subwoofer or tower speakers, this amplifier kit with ICEpower technology inside creates a fantastic high quality result. The 700AS2 amplifier module is a audiophile, high performance class-D power amplifier. The performance stands out with high dynamics and crystal clear mid- and high-frequencies. The low noise level generates a completely black background to reveal the tiniest of details in every recording. Designed to withstand the demands of professional (live concert) applications, not only in terms of sound quality but also on ruggedness and reliability. This kit contains everything you need to build your own SoundImpress mono amplifier. The main part for this are the ICEpower 700AS2 amplifier modules and a black anodized aluminum case. The amplifier modules with integrated high efficient resonant power supplies offers audiophile quality, are extreme powerful but also compact. The custom milled aluminum enclosure, which houses the ICEpower 700AS2 amplifier modules, is the best thermal material for audio devices. Along the main parts, this kit includes everything else you need to build a powerful high-quality quad amplifier at a reasonable price. Assembly is easy and only requires proper positioning of the modules, some minor soldering, bolts to be tightened and connectors to be clicked. Anybody comfortable with a screwdriver and can handle a soldering iron, can build this amazing quad amplifier. What's In The Box2x ICEpower 700AS2 amplifier module with integrated power supplyAluminum enclosureAll internal cablesAll needed mounting materials8x binding posts (4 pair)4x input XLR connectorOn/Off SwitchIEC C14 power connector (including fuse)IEC C13 power cable (UK/EU/US)Show more Show less