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SRT 4201 in natural wood

The SRT 4201 is a high power shallow profile passive subwoofer system. Front ported, and with a dual 15" voice coil transducer, it produces powerful and detailed low frequency response for a thrilling cinematic experience.

Warranty

2 Years

Dimensions

279mm×1100mm×600mm

Features

Shallow Profile

Prodigious Bass

Less Extraneous Noise

Dedicated Controller

Complete Engineered System

Product lifestyle
Prodigious Bass

Prodigious Bass

Dual coil 15" transducer with powerful motor to deliver LF down to 30Hz at 600 watts continuous power

Shallow Profile

Shallow Profile

This allows for ease of installation behind screen and on wall

Less Extraneous Noise

Less Extraneous Noise

Large twin ports to minimise port turbulence noise at high SPL

Dedicated Controller

Dedicated Controller

To be used in conjunction with SRT 4201 SC controller for optimal performance

Engineered Solution

Engineered Solution

Tone matched multi-channel system

Tech Specifications

Description

Shallow-profile passive subwoofer

Transducer Complements

15 inch dual voice coil subwoofer

Enclosure Type

Vented, through twin aerodynamic port

Acoustic Frequency Response

30Hz ~ crossover frequency

Usable Frequency Response

35Hz ~ crossover frequency

Nominal Impedance

Power

AES: 600W, PROGRAM: 1200W, PEAK: 2400W

SPL

1W/1M half space: 97dB, MAX CONTINUOUS: 126dB, MAX PEAK: 129dB

Input Connector

Binding post (speaker)

Enclosure

MDF

Finish

Black painted

Dimensions (wxhxd)

1100mm x 600mm x 279mm

Net Weight

44.3kg

What is the Sonodyne PRIVÉA range?

PRIVÉA is Sonodyne's flagship home cinema range, designed to deliver an authentic theatre-quality experience in private viewing spaces. Combining professional cinema technologies with refined engineering, PRIVÉA reproduces movies exactly as the creators intended.

What makes PRIVÉA different from conventional home theatre systems?

Unlike conventional home theatre systems, PRIVÉA uses professional-grade horn-loaded loudspeakers, dedicated DSP-controlled amplification and precision-engineered components to deliver exceptional dynamics, clarity and cinematic realism.

Is PRIVÉA suitable for dedicated home cinema rooms?

Yes. PRIVÉA is specifically designed for dedicated home theatres and premium media rooms, where its calibrated performance and high output capability can be fully appreciated.

Why does SRT 4102 use horn-loaded speakers?

Horn-loaded speakers provide higher efficiency, lower distortion and controlled sound dispersion. This allows every seat in the room to experience consistent, powerful and highly detailed sound, even during demanding movie scenes.

What is DSP-based amplification and how does it improve performance?

The integrated Digital Signal Processing (DSP) precisely controls crossover frequencies, time alignment, equalisation and speaker protection. This ensures every loudspeaker performs optimally, delivering balanced, accurate and reliable sound.

Why are active speakers used in the PRIVÉA system?

Each speaker incorporates dedicated amplification and DSP optimisation, eliminating the compromises associated with passive crossover networks. This results in improved accuracy, better control and consistent performance across the entire system.

Is the system suitable for large home theatres?

Absolutely. With high output capability, low distortion and professional-grade acoustic design, PRIVÉA is engineered to deliver reference-quality performance even in larger private cinema rooms.

Can PRIVÉA reproduce both movies and music accurately?

Yes. While optimised for cinematic playback, PRIVÉA's balanced frequency response and exceptional detail make it equally capable of reproducing live concerts, music performances and high-resolution audio with remarkable fidelity.

Is the PRIVÉA system custom installed?

Yes. PRIVÉA is designed as a professionally specified and calibrated home cinema solution. Every installation is tailored to the room to achieve optimum acoustic performance.

Why choose Sonodyne PRIVÉA?

Built on over five decades of acoustic innovation, PRIVÉA represents the pinnacle of Sonodyne's engineering expertise. It combines professional cinema technologies, precision calibration and premium craftsmanship to deliver an immersive, emotionally engaging home theatre experience that remains true to the filmmaker's vision.

1. Product Literature

Download

Reviews

For audiophiles, Sonodyne has been a legendary Make in India brand, & the Bandish offers 120W of pure grade sound!

★ ★ ★ ★ ★5/5

Akash Banerjee (DeshBhakt)

Sonodyne is an Indian brand many of us (and some of our parents) grew up with, and my earliest memories of the brand date back to the late '80s/ early '90s, when I used to regularly visit an uncle in Kolkata who was a big fan of the brand and its single-minded focus on recreating music "as the artist intended". Fast forward to 2024, and while the brand continues to serve the serious audiophile and pro-studio markets, it's their Bluetooth wireless speaker range that caught my eye, specifically the most powerful in their range, the aptly named Malhar (after the raga , Malhar which, as the myth goes, has the power to induce thunder and rain). Not one for slimline aesthetics, the Malhar resembles a cajón (or a clapbox as many may know it), an immediate throwback to when audio equipment was engineered for producing clean sound, first and foremost. With its wooden cabinet, classic aesthetics and all, the 8-kilogram Malhar is pleasing on the eye, but it demands pride of place — it's not one to disappear into the décor. Around the front are two 5" glass-fiber cone drivers accompanied by two 1" tweeters, and the sides have two 5" passive radiators. Inputs are all clustered towards the rear, with optical, aux, USB ports along with a handy 5V DC USB port to charge a phone while it's connected to the speaker. Controls to switch between these inputs and change tracks/volume are all on the top and are mirrored on the supplied remote. No buttons to fiddle around with bass/treble settings (intentionally so to retain the original feel of the track), and I would have preferred the indicator LEDs to be more visible, so you know the speaker is on or which input is selected. No app or Wi-Fi connectivity, which one starts expecting at this price point. Any reservations you may have had subside the moment you start playing music on the Malhar. Irrespective of genre, the speaker stands up and delivers, with a balanced sonic signature that accurately renders the highs, mids and lows without colouring the audio, so to speak. Streaming tracks as varied as Simon and Garfunkel to the Beach Boys to some of AR Rahman's classics, Malhar reproduces the tracks damn near flawlessly across its wide 40Hz – 20kHz frequency range. Throw in some punchier tracks and bump up the volume, and you really have to wake up the neighbours before the speaker starts showing the slightest hint of distortion at the top end. Worth noting as well is the expansive soundstage and the open quality to the playback. At its price, Malhar is likely to appeal to audio purists, and despite its name, this truly is a speaker for all seasons. The 'Made in India since 1970' is bonus appeal. Rating: 8/10 Price: INR 37,500

★ ★ ★ ★ ★0/5

Sonic superiority

Since its inception in the early 70s, Sonodyne is a company that has been at the forefront of the innovative Indian professional audio market

★ ★ ★ ★ ★0/5

MONDO DR

In real terms, however, the SRP 202 "measures" better than the manufacturer promises

★ ★ ★ ★ ★5/5

DANIEL BRAZINA

Best Active Home Speakers

★ ★ ★ ★ ★0/5

WHAT HI-FI

The Best Review is Performance: Longman Luk - Extremely talented Hong Kong based Erhuist shared his Sonodyne story with us recently. "I feel wonderful for having Sonodyne SRP 204 with me for some recent projects of string ensemble, acapella, and hip hop. At first I didn't expect them as such powerful for how compact the size they are. Yet the most impressive part is the aluminium enclosures, which not only make them sturdy, but also make them sound well contained and focused. As an Erhuist who works on different genres, I really like the clarity that SPR 204 brings me!"

★ ★ ★ ★ ★0/5

LONGMAN LUK

Musician

For audiophiles, Sonodyne has been a legendary Make in India brand, & the Bandish offers 120W of pure grade sound!

★ ★ ★ ★ ★5/5

Akash Banerjee (DeshBhakt)

Sonodyne is an Indian brand many of us (and some of our parents) grew up with, and my earliest memories of the brand date back to the late '80s/ early '90s, when I used to regularly visit an uncle in Kolkata who was a big fan of the brand and its single-minded focus on recreating music "as the artist intended". Fast forward to 2024, and while the brand continues to serve the serious audiophile and pro-studio markets, it's their Bluetooth wireless speaker range that caught my eye, specifically the most powerful in their range, the aptly named Malhar (after the raga , Malhar which, as the myth goes, has the power to induce thunder and rain). Not one for slimline aesthetics, the Malhar resembles a cajón (or a clapbox as many may know it), an immediate throwback to when audio equipment was engineered for producing clean sound, first and foremost. With its wooden cabinet, classic aesthetics and all, the 8-kilogram Malhar is pleasing on the eye, but it demands pride of place — it's not one to disappear into the décor. Around the front are two 5" glass-fiber cone drivers accompanied by two 1" tweeters, and the sides have two 5" passive radiators. Inputs are all clustered towards the rear, with optical, aux, USB ports along with a handy 5V DC USB port to charge a phone while it's connected to the speaker. Controls to switch between these inputs and change tracks/volume are all on the top and are mirrored on the supplied remote. No buttons to fiddle around with bass/treble settings (intentionally so to retain the original feel of the track), and I would have preferred the indicator LEDs to be more visible, so you know the speaker is on or which input is selected. No app or Wi-Fi connectivity, which one starts expecting at this price point. Any reservations you may have had subside the moment you start playing music on the Malhar. Irrespective of genre, the speaker stands up and delivers, with a balanced sonic signature that accurately renders the highs, mids and lows without colouring the audio, so to speak. Streaming tracks as varied as Simon and Garfunkel to the Beach Boys to some of AR Rahman's classics, Malhar reproduces the tracks damn near flawlessly across its wide 40Hz – 20kHz frequency range. Throw in some punchier tracks and bump up the volume, and you really have to wake up the neighbours before the speaker starts showing the slightest hint of distortion at the top end. Worth noting as well is the expansive soundstage and the open quality to the playback. At its price, Malhar is likely to appeal to audio purists, and despite its name, this truly is a speaker for all seasons. The 'Made in India since 1970' is bonus appeal. Rating: 8/10 Price: INR 37,500

★ ★ ★ ★ ★0/5

Sonic superiority

Since its inception in the early 70s, Sonodyne is a company that has been at the forefront of the innovative Indian professional audio market

★ ★ ★ ★ ★0/5

MONDO DR

In real terms, however, the SRP 202 "measures" better than the manufacturer promises

★ ★ ★ ★ ★5/5

DANIEL BRAZINA

Best Active Home Speakers

★ ★ ★ ★ ★0/5

WHAT HI-FI

The Best Review is Performance: Longman Luk - Extremely talented Hong Kong based Erhuist shared his Sonodyne story with us recently. "I feel wonderful for having Sonodyne SRP 204 with me for some recent projects of string ensemble, acapella, and hip hop. At first I didn't expect them as such powerful for how compact the size they are. Yet the most impressive part is the aluminium enclosures, which not only make them sturdy, but also make them sound well contained and focused. As an Erhuist who works on different genres, I really like the clarity that SPR 204 brings me!"

★ ★ ★ ★ ★0/5

LONGMAN LUK

Musician

For audiophiles, Sonodyne has been a legendary Make in India brand, & the Bandish offers 120W of pure grade sound!

★ ★ ★ ★ ★5/5

Akash Banerjee (DeshBhakt)

Sonodyne is an Indian brand many of us (and some of our parents) grew up with, and my earliest memories of the brand date back to the late '80s/ early '90s, when I used to regularly visit an uncle in Kolkata who was a big fan of the brand and its single-minded focus on recreating music "as the artist intended". Fast forward to 2024, and while the brand continues to serve the serious audiophile and pro-studio markets, it's their Bluetooth wireless speaker range that caught my eye, specifically the most powerful in their range, the aptly named Malhar (after the raga , Malhar which, as the myth goes, has the power to induce thunder and rain). Not one for slimline aesthetics, the Malhar resembles a cajón (or a clapbox as many may know it), an immediate throwback to when audio equipment was engineered for producing clean sound, first and foremost. With its wooden cabinet, classic aesthetics and all, the 8-kilogram Malhar is pleasing on the eye, but it demands pride of place — it's not one to disappear into the décor. Around the front are two 5" glass-fiber cone drivers accompanied by two 1" tweeters, and the sides have two 5" passive radiators. Inputs are all clustered towards the rear, with optical, aux, USB ports along with a handy 5V DC USB port to charge a phone while it's connected to the speaker. Controls to switch between these inputs and change tracks/volume are all on the top and are mirrored on the supplied remote. No buttons to fiddle around with bass/treble settings (intentionally so to retain the original feel of the track), and I would have preferred the indicator LEDs to be more visible, so you know the speaker is on or which input is selected. No app or Wi-Fi connectivity, which one starts expecting at this price point. Any reservations you may have had subside the moment you start playing music on the Malhar. Irrespective of genre, the speaker stands up and delivers, with a balanced sonic signature that accurately renders the highs, mids and lows without colouring the audio, so to speak. Streaming tracks as varied as Simon and Garfunkel to the Beach Boys to some of AR Rahman's classics, Malhar reproduces the tracks damn near flawlessly across its wide 40Hz – 20kHz frequency range. Throw in some punchier tracks and bump up the volume, and you really have to wake up the neighbours before the speaker starts showing the slightest hint of distortion at the top end. Worth noting as well is the expansive soundstage and the open quality to the playback. At its price, Malhar is likely to appeal to audio purists, and despite its name, this truly is a speaker for all seasons. The 'Made in India since 1970' is bonus appeal. Rating: 8/10 Price: INR 37,500

★ ★ ★ ★ ★0/5

Sonic superiority

Since its inception in the early 70s, Sonodyne is a company that has been at the forefront of the innovative Indian professional audio market

★ ★ ★ ★ ★0/5

MONDO DR

In real terms, however, the SRP 202 "measures" better than the manufacturer promises

★ ★ ★ ★ ★5/5

DANIEL BRAZINA

Best Active Home Speakers

★ ★ ★ ★ ★0/5

WHAT HI-FI

The Best Review is Performance: Longman Luk - Extremely talented Hong Kong based Erhuist shared his Sonodyne story with us recently. "I feel wonderful for having Sonodyne SRP 204 with me for some recent projects of string ensemble, acapella, and hip hop. At first I didn't expect them as such powerful for how compact the size they are. Yet the most impressive part is the aluminium enclosures, which not only make them sturdy, but also make them sound well contained and focused. As an Erhuist who works on different genres, I really like the clarity that SPR 204 brings me!"

★ ★ ★ ★ ★0/5

LONGMAN LUK

Musician

Studio microphones in blue light

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