











Pisa d4.20
Pisa d4.20
Pisa d4.20
Power Up Your Sound Without Breaking the Bank
Power Up Your Sound Without Breaking the Bank
Power Up Your Sound Without Breaking the Bank
Group-controllable EQ
Group-controllable EQ
Group-controllable EQ
Easy Install
Easy Install
Easy Install
Hi-res audio
Hi-res audio
Hi-res audio
Preset compatibility
Preset compatibility
Preset compatibility
pisa d4.20 Power Up Your Sound Without Breaking the Bank
pisa d4.20 Power Up Your Sound Without Breaking the Bank
pisa d4.20 Power Up Your Sound Without Breaking the Bank
The Pisa D4.20 amplifier isn't just versatile, it's a sonic force built for small and medium setups. Whether you're rocking out in a band, filling a venue with captivating sound, or crafting your masterpiece in a home studio, this amp delivers consistently powerful performance to elevate your audio experience.
The Pisa D4.20 amplifier isn't just versatile, it's a sonic force built for small and medium setups. Whether you're rocking out in a band, filling a venue with captivating sound, or crafting your masterpiece in a home studio, this amp delivers consistently powerful performance to elevate your audio experience.
The Pisa D4.20 amplifier isn't just versatile, it's a sonic force built for small and medium setups. Whether you're rocking out in a band, filling a venue with captivating sound, or crafting your masterpiece in a home studio, this amp delivers consistently powerful performance to elevate your audio experience.
Delivers consistent peak voltage across all models, allowing high sound pressure levels even with demanding 8/16 ohm speaker configurations.
Delivers consistent peak voltage across all models, allowing high sound pressure levels even with demanding 8/16 ohm speaker configurations.
Delivers consistent peak voltage across all models, allowing high sound pressure levels even with demanding 8/16 ohm speaker configurations.
Shares power between channels for applications like bi-amped setups or subwoofers with passive tops, maximizing efficiency.
Shares power between channels for applications like bi-amped setups or subwoofers with passive tops, maximizing efficiency.
Shares power between channels for applications like bi-amped setups or subwoofers with passive tops, maximizing efficiency.






Muscle Where it Matters
Muscle Where it Matters
Muscle Where it Matters
Consistent high peak voltage: Pisa D4.20 models deliver the same punch, ensuring loud and clear sound even with demanding 8/16 ohm speaker setups. No need to worry about power limitations!
Consistent high peak voltage: Pisa D4.20 models deliver the same punch, ensuring loud and clear sound even with demanding 8/16 ohm speaker setups. No need to worry about power limitations!
Consistent high peak voltage: Pisa D4.20 models deliver the same punch, ensuring loud and clear sound even with demanding 8/16 ohm speaker setups. No need to worry about power limitations!
Flexible power sharing: Need to bi-amp your speakers or drive subwoofers with passive tops? No problem! The D4.20 lets you share power between channels efficiently, maximizing your setup's potential.
Flexible power sharing: Need to bi-amp your speakers or drive subwoofers with passive tops? No problem! The D4.20 lets you share power between channels efficiently, maximizing your setup's potential.
Flexible power sharing: Need to bi-amp your speakers or drive subwoofers with passive tops? No problem! The D4.20 lets you share power between channels efficiently, maximizing your setup's potential.






Connectivity Made Easy
Connectivity Made Easy
Connectivity Made Easy
Whether you prefer digital (Dante and AES3) or analog connections, the D4.20 has you covered. Forget messy external gear. Dante and AES3 allow you to easily connect multiple amplifiers in a chain, distributing audio seamlessly without needing switches or splitters.
Whether you prefer digital (Dante and AES3) or analog connections, the D4.20 has you covered. Forget messy external gear. Dante and AES3 allow you to easily connect multiple amplifiers in a chain, distributing audio seamlessly without needing switches or splitters.
Whether you prefer digital (Dante and AES3) or analog connections, the D4.20 has you covered. Forget messy external gear. Dante and AES3 allow you to easily connect multiple amplifiers in a chain, distributing audio seamlessly without needing switches or splitters.


Powerful Processing Built-In
Powerful Processing Built-In
Powerful Processing Built-In
Say goodbye to external processors: The D4.20 integrates advanced loudspeaker processing, saving you space and money.
Say goodbye to external processors: The D4.20 integrates advanced loudspeaker processing, saving you space and money.
Say goodbye to external processors: The D4.20 integrates advanced loudspeaker processing, saving you space and money.
Multiple control options: Take your pick! Control everything from your PC with Armonía software, adjust settings directly on the front panel display, or use the web app for mobile convenience.
Multiple control options: Take your pick! Control everything from your PC with Armonía software, adjust settings directly on the front panel display, or use the web app for mobile convenience.
Multiple control options: Take your pick! Control everything from your PC with Armonía software, adjust settings directly on the front panel display, or use the web app for mobile convenience.
Advanced features: Fine-tune your sound with group-controllable EQ, access a vast library of presets, and enjoy ultra-long FIR filters for exceptional precision.
Advanced features: Fine-tune your sound with group-controllable EQ, access a vast library of presets, and enjoy ultra-long FIR filters for exceptional precision.
Advanced features: Fine-tune your sound with group-controllable EQ, access a vast library of presets, and enjoy ultra-long FIR filters for exceptional precision.
More Than Just Powerful
More Than Just Powerful
More Than Just Powerful
Budget-friendly: The D4.20 delivers professional-grade performance at a price that won't break the bank, making it accessible to a wider range of users.
Budget-friendly: The D4.20 delivers professional-grade performance at a price that won't break the bank, making it accessible to a wider range of users.
Budget-friendly: The D4.20 delivers professional-grade performance at a price that won't break the bank, making it accessible to a wider range of users.
Durable design: Built to last, the D4.20 can handle the rigors of everyday use, whether on stage or in the studio.
Durable design: Built to last, the D4.20 can handle the rigors of everyday use, whether on stage or in the studio.
Durable design: Built to last, the D4.20 can handle the rigors of everyday use, whether on stage or in the studio.



Nice choice of music
PISA-recommended PowerSoft amplifiers are known for their versatility, with many features that can be adjusted to suit every need.

Nice choice of music
PISA-recommended PowerSoft amplifiers are known for their versatility, with many features that can be adjusted to suit every need.

Nice choice of music
PISA-recommended PowerSoft amplifiers are known for their versatility, with many features that can be adjusted to suit every need.
Key Features
Key Features
Key Features
Group-controllable EQ
Group-controllable EQ
Group-controllable EQ
This sentence is concise and accurate, and it clearly explains the function of group-controllable EQ.
This sentence is concise and accurate, and it clearly explains the function of group-controllable EQ.
This sentence is concise and accurate, and it clearly explains the function of group-controllable EQ.
Easy Install
Easy Install
Easy Install
The installation is made easy with no high technical skills or very special tools needed to install your device.
The installation is made easy with no high technical skills or very special tools needed to install your device.
The installation is made easy with no high technical skills or very special tools needed to install your device.
24-bit HD audio
24-bit HD audio
24-bit HD audio
This provides up to 24-bit HD audio for the best sound quality from your device
This provides up to 24-bit HD audio for the best sound quality from your device
This provides up to 24-bit HD audio for the best sound quality from your device
Preset compatibility
Preset compatibility
Preset compatibility
Preset compatibility lets users quickly and easily switch between different sound profiles.
Preset compatibility lets users quickly and easily switch between different sound profiles.
Preset compatibility lets users quickly and easily switch between different sound profiles.
Hi-res audio
Hi-res audio
Hi-res audio
Hi-res audio is included with high resolution digital audio inputs included.
Hi-res audio is included with high resolution digital audio inputs included.
Hi-res audio is included with high resolution digital audio inputs included.
Ultra-long FIR filters
Ultra-long FIR filters
Ultra-long FIR filters
Ultra-long FIR filters provide exceptional phase coherence and low latency for accurate sound reproduction.
Ultra-long FIR filters provide exceptional phase coherence and low latency for accurate sound reproduction.
Ultra-long FIR filters provide exceptional phase coherence and low latency for accurate sound reproduction.
Technical Specifications
Technical Specifications
Technical Specifications
Output power per channel
Output power per channel
Output power per channel
1.000 W @ 8 Ω - 1700W @ 4Ω
1.000 W @ 8 Ω - 1700W @ 4Ω
1.000 W @ 8 Ω - 1700W @ 4Ω
Bridge mode
Bridge mode
Bridge mode
3.4000 W @ 8 Ω - 3.4000 W @ 4 Ω
3.4000 W @ 8 Ω - 3.4000 W @ 4 Ω
3.4000 W @ 8 Ω - 3.4000 W @ 4 Ω
Max unclipped output voltage @8 Ω
Max unclipped output voltage @8 Ω
Max unclipped output voltage @8 Ω
145 Vpeak
145 Vpeak
145 Vpeak
Dimensions
Dimensions
Dimensions
483 x 44 x 370
483 x 44 x 370
483 x 44 x 370
Nominal power requirement
Nominal power requirement
Nominal power requirement
90-260 V ±10%, 50-60 Hz
90-260 V ±10%, 50-60 Hz
90-260 V ±10%, 50-60 Hz
Operating voltage
Operating voltage
Operating voltage
90 V – 260V
90 V – 260V
90 V – 260V
Current
Current
Current
50 Apeak
50 Apeak
50 Apeak
Net Weight
Net Weight
Net Weight
9KG
9KG
9KG
Downloads
Downloads
Downloads
English User Manual
English User Manual
English User Manual
Vietnamese User Manual
Vietnamese User Manual
Vietnamese User Manual
Datasheet
Datasheet
Datasheet
EU Declaration of Conformity
EU Declaration of Conformity
EU Declaration of Conformity
IP65 Declaration of Conformity
IP65 Declaration of Conformity
IP65 Declaration of Conformity