SVS SVS 3000 Micro R|Evolution black

Successor to the 3000 Micro launched in 2021, the 3000 Micro R|Evolution takes the same bet: fitting high-end subwoofer performance into a cube barely 28 cm on each side. SVS has revised every component of the previous model, from the drivers to the amplification and digital processing, while maintaining a nearly identical footprint.

Two opposing drivers in a 28 cm cube

The principle is the same as on the previous model, but taken further. Two 23 cm active drivers are mounted laterally, face to face, wired in parallel on a single amplifier. They move in phase with each other: when one pushes, the other pushes too, in the opposite direction. The mechanical forces cancel each other out, reducing vibrations transmitted to the furniture or floor. This is a concrete advantage over compact single-driver subwoofers, which are often prone to parasitic movement.

Each transducer features a progressive inverted-profile NBR rubber surround that allows a linear excursion (Xmax) of 27.3 mm and a mechanical excursion of 32.6 mm. The increase in diameter compared to the 20 cm drivers of the original 3000 Micro results in a significantly larger radiating surface, and therefore greater air displacement at a comparable excursion.

The voice coil is a four-layer copper model, wound on an aluminium 3003-H18 former. The Y30 ferrite motor, which SVS describes as oversized, incorporates an aluminium 6063 short-circuit ring to limit distortion caused by eddy currents and stabilise the magnetic field.

A 1,200 W Class D amplifier for two 23 cm drivers

The STA-1200D2 replaces the Sledge STA-800D2 from the previous model. Continuous power increases from 800 to 1,200 W (peak exceeding 4,000 W), a 50% increase. The output stage is based on four discrete 60 A / 200 V MOSFETs in a full-bridge topology, which prioritises the ability to deliver instantaneous current rather than sustained power alone. In practice, this translates to better handling of violent transients (kick drum hits, soundtrack explosions).

The LLC resonant switching power supply maintains a stable rail voltage of 160 V, regardless of mains power quality. SVS states that the circuit continuously monitors mains voltage to adapt its operation accordingly.

The announced total harmonic distortion (THD+N) is below 0.05% at rated power, with a signal-to-noise ratio exceeding 120 dB. SVS claims a distortion reduction of 70 to 90% compared to the original 3000 Micro, depending on the frequency band considered.

The DSP as the system’s conductor

The Analog Devices processor clocked at 295 MHz represents a considerable leap compared to the 50 MHz chip of the previous generation. SVS claims five times the computing power. Filtering is performed in double precision at 56 bits.

This DSP does more than manage user filters. It monitors power, driver excursion, current, and temperature in real time, thousands of times per second according to SVS. This dynamic supervision allows the system to push output limits before a limiter intervenes, rather than applying excessively conservative safety margins.

One of the most interesting contributions is room gain management. SVS has modelled a frequency response curve that exploits the natural low-frequency reinforcement provided by room boundaries, without tipping into bloated or sluggish bass. In practice, while the measured bandwidth in near-anechoic conditions extends down to 20 Hz (±3 dB), SVS indicates a possible extension to 17–18 Hz under real-world conditions, depending on the room.

Controls and connectivity: app-based control

The SVS Subwoofer Control app (iOS, Android, Fire OS), connected via Bluetooth, provides access to a fairly wide range of settings: volume, low-pass filter cutoff frequency, phase, polarity, room gain compensation, and six parametric equalizers, compared to three on the previous model. Three user profiles (music, cinema, night mode) allow switching from one configuration to another without starting from scratch.

On the rear panel, an OLED display with a Display Flip function provides direct access to the main settings without using a phone. The addition of a balanced XLR input (18 kΩ, 4 Vrms / +14 dBu) alongside the RCA input (10 kΩ, 4 Vrms) broadens integration possibilities: hi-fi systems, home theater installations, as well as mixing or mastering studios where balanced connections are the norm.

A USB port powers the SVS SoundPath wireless adapter (sold separately) for those who want to go cable-free for audio. 3.5 mm trigger and 3.5 mm infrared inputs facilitate integration into home automation systems.

SVS also plans an Auto Room EQ feature, which will use the smartphone’s microphone to automatically measure and correct the frequency response in the room.

A sealed enclosure built to take the strain

SVS has chosen a sealed enclosure rather than a passive radiator, a choice that favours temporal accuracy and bass control at the expense of extreme extension and efficiency. The reinforced MDF cabinetry, with thick side panels and internal bracing, handles the mechanical stresses of the two active drivers. Internal acoustic treatment absorbs residual colorations.

Two non-resonant perforated steel grilles protect the drivers. Screw-in elastomer feet decouple the subwoofer from the surface it rests on. The whole unit weighs 10.2 kg, with dimensions of 278 × 299 × 274 mm including grilles — a footprint comparable to the original model despite the increase in driver diameter. Two finishes are available: gloss black and gloss white.

What has changed compared to the original 3000 Micro

The table below summarises the main changes:

The 3 Hz gained in low-end extension may not seem spectacular on paper, but in this range (20–23 Hz), each hertz requires a significant additional amount of energy. Combined with the increase in power and the reduction in distortion, these figures reflect a real gain in deep bass reproduction capability.

Music, cinema, studio: a versatile subwoofer

Thanks to its size, the 3000 Micro R|Evolution fits into a living room, office, or bedroom without any space issues. In stereo, it complements compact speakers or floorstanders whose bass rolls off around 40–50 Hz, adding a full octave downward. In home theater, it handles the low-frequency effects in soundtracks, provided it is not asked to pressurise a very large room: a subwoofer of this size will not replace a 33 cm ported model in a 50 m² space. It is a deliberate compromise between performance and footprint.

The dual RCA/XLR input and low distortion also make it usable in a studio context, for low-frequency monitoring during mixing or mastering.

Using a pair is an option worth considering. Two subwoofers placed around the room smooth the frequency response and reduce room modes, an advantage that is most noticeable in medium to large rooms.

Technical specifications

Acoustic architecture

• Enclosure type: sealed
• Configuration: dual opposed active drivers
• Drivers: 2 × 23 cm (9”) long-throw
  • Side-mounted in opposition
  • Parallel wiring
• Excursion
  • Xmax: 27.3 mm
  • Xmech: 32.6 mm

Driver design

• Voice coil: copper, 4 high-temperature layers
• Voice coil former: 3003-H18 aluminum
• Shorting ring: 6063 aluminum
• Motor: oversized Y30 ferrite
• Basket: stamped steel with epoxy treatment (finite element optimization)
• Surround: injected NBR, progressive inverted profile

Amplification

• Type: Class D
• RMS power: 1200 W
• Peak power: greater than 4000 W
• Topology: discrete MOSFETs (4 × 60 A / 200 V) in full bridge
• Power supply
  • Type: resonant LLC SMPS
  • Regulated rail voltage: 160 V

Audio performance

• Total harmonic distortion (THD+N): less than 0.05% at rated power
• Signal-to-noise ratio: greater than 120 dB
• Output voltage: greater than 100 Vrms

Digital processing (DSP)

• Processor: Analog Devices, 295 MHz
• Precision: 56-bit double-precision filtering
• Processing power: multiplied by 5 compared with the previous generation
• DSP functions
  • 6 parametric equalizers
  • Adjustable low-pass filter
  • Room gain compensation
  • Real-time dynamic power management
  • Thermal, voltage, and current monitoring

Frequency response

• Frequency range: 20 Hz – 230 Hz (±3 dB, quasi-anechoic at 2 m)
• In-room extension: down to approximately 17–18 Hz depending on the environment

Connectivity

• RCA input
  • Impedance: 10 kΩ
  • Maximum level: 4 Vrms
• Balanced XLR input
  • Impedance: 18 kΩ
  • Maximum level: 4 Vrms / +14 dBu
• 3.5 mm trigger: 3–12 V AC / DC
• 3.5 mm infrared input
• USB port (SVS SoundPath wireless adapter optional)

Control and features

• SVS Subwoofer Control app: iOS, Android, Fire OS
• Bluetooth connection
• Available settings: volume, crossover frequency, phase / polarity, 6 parametric equalizers, room compensation, listening modes
• User profiles: 3 customizable presets
  • Music
  • Cinema
  • Night mode

Software evolution

• Auto Room EQ (coming soon)
  • Automatic calibration via smartphone
  • Frequency response optimization according to the room

Gains compared with the previous generation

• RMS power increased by 50% compared with the 3000 Micro
• Distortion reduced by 70 to 90%
• Improved transient response
• High output levels despite a compact format

Finishes and dimensions

• Available finishes: Piano Gloss Black, Piano Gloss White
• Dimensions with grille (H × W × D): 278 × 299 × 274 mm
• Weight
  • Net: 10.2 kg
  • Packaged: 12.8 kg

Power consumption and compliance

• Standby power consumption: less than 0.5 W
• Certifications: RoHS, lead-free, international safety standards

Included accessories

• 2 non-resonant perforated steel grilles
• Screw-in elastomer feet
• 1.8 m power cable
• Quick start guide