Perlisten D212s Subwoofer

The Perlisten D212s is where the D-Series switches to push-pull. Two 300mm carbon fiber drivers mount in opposition on a 3.0kW smart amplifier, an arrangement that cancels even-order harmonic distortion by a further 10 to 12dB. It is THX Dominus certified, sealed, and reaches 15Hz in room. For listeners who judge a subwoofer by what it does not add, this is the mechanism.

Key Features of the Perlisten D212s

• Push-Pull Driver Pair: Two 300mm woofers mounted in opposition so their even-order harmonics cancel, which Perlisten measures at a further 10 to 12dB of distortion reduction.
• THX Dominus Certified: The highest tier THX awards, measured by THX itself against fixed targets for distortion, output and frequency response.
• 3.0kW Smart Amplifier: Rated at 3.0kW RMS short term, governed by a Ti DSP with 48-bit data paths and a 32-bit ARM Cortex M4 processor running double precision floating point math.
• Dual Carbon Fiber Diaphragms: Both drivers use carbon fiber composite cones with plus or minus 30mm of linear excursion, 60mm peak to peak.
• Sealed Enclosure: An acoustic suspension design with no port, so there is no group delay around a tuning frequency to blur fast bass passages.
• Advanced App Control: A control app for iOS and Android carrying a 10-band parametric EQ, phase, polarity, time delay and multiple crossover presets.
• Color LCD Touchscreen: A 2.4" color touchscreen on the top panel reaches every setting without a phone.
• Aluminum Shorting Rings: Multiple aluminum shorting rings in each motor, with multi-layer Nomex spiders and lightweight aluminum voice coil wire, hold distortion down as excursion rises.

How Push-Pull Cancels Distortion

Push-pull mounts the D212s's two 300mm woofers facing in opposite directions and drives them out of phase with each other, so acoustically they move together while their non-linearities move apart. The asymmetries that produce even-order harmonic distortion cancel between the pair. Perlisten measures the reduction at a further 10 to 12dB.

This is the difference that separates the top half of the D-Series from the bottom half, and it is worth being precise about what it buys. It is not more depth. The D212s reaches 15Hz at -6dB, and so does the larger D215s. What push-pull buys is a lower noise floor under the music: the distortion products that would otherwise sit on top of a bass note fall away, so what reaches you is closer to the note itself. Perlisten computer-optimizes every element of the woofer, from the 60mm peak linear excursion through spider compliance to the magnetic motor curve, then validates the result with Klippel test equipment.

Inside the Cabinet

The D212s is an acoustic suspension design, fully sealed with no port, in a 668 x 420 x 550mm cabinet weighing 68.0kg. The two woofers mount on a massive 80mm front baffle, which is what holds the opposing pair in the rigid alignment push-pull cancellation depends on.

Sealed alignments avoid the group delay a port introduces around its tuning frequency, which is what listeners hear as tightness, and every Perlisten subwoofer is built this way. The mass exists for the same reason: at 68kg, the energy two 12-inch drivers generate goes into the room rather than into a flexing panel.

The 3.0kW Smart Amplifier

Driving both woofers is an amplifier rated at 3.0kW RMS short term, governed by a Ti DSP with 48-bit data paths and a 32-bit ARM Cortex M4 processor running double precision floating point math. The processor tracks voltage, current and temperature and executes fault detection and performance diagnostics more than 1,000 times per second.

That monitoring is what lets the D212s run hard without protecting itself audibly. Rather than a fixed limiter clamping the signal early, the amplifier knows what the drivers and the power supply are doing in real time and stays in control well below 20Hz. With the Boost EQ engaged the D212s reaches 15Hz at -6dB and 13.5Hz at -10dB. The THX EQ setting measures 20Hz at -6dB and 16Hz at -10dB, and the Cut setting 24Hz and 18Hz.

Inputs, Outputs and System Integration

The rear panel carries two balanced XLR and two unbalanced RCA inputs, with two balanced XLR and two unbalanced RCA outputs, all unbuffered pass-throughs. A configurable auto turn-on and 12V trigger can be assigned to XLR 1, XLR 1+2, RCA 1 or RCA 1+2.

There are no rotary controls back here. Perlisten moved crossover, gain, phase and everything else onto the top-mounted touchscreen and the app, so setup does not mean reaching around the back of a 68kg cabinet. The unbuffered outputs let you daisy-chain a second subwoofer from the first without an additional splitter, on balanced or single-ended connections.

Perlisten D212s App Control and Room Tuning

The Perlisten app for iOS and Android connects over Bluetooth Low Energy and controls up to eight subwoofers at once. Each one gets three banks of 10 parametric EQ filters, time delay, phase adjustable through 0 to 270 degrees, polarity switching, up to six standard EQ presets, and 24dB lowpass crossovers. Firmware updates arrive over the air through the same app.

Standing waves, seat-to-seat variation and a subwoofer that has to live where the furniture allows are the normal conditions in a listening room, and the parametric filters are the tool for correcting them. The low pass filter can be bypassed entirely or set anywhere from 30 to 160Hz with 6, 12, 18 or 24dB per octave slopes, so the D212s hands off to your main speakers on your terms or takes its crossover from a processor. The 2.4" LCD color touchscreen on the top surface reaches the same settings without a phone.

What THX Dominus Certification Means

THX Dominus is the highest tier THX awards, and THX measures the product itself rather than accepting a manufacturer's figures. Certification covers distortion, output and frequency response against fixed targets, and the Dominus tier is specified for rooms up to 6,500 cubic feet. The D212s, D215s and D15s each hold it as a single unit; the D12s earns it as a pair.

The distinction is worth understanding because THX certification is awarded per model, not per series. Within Perlisten's own catalog it does not travel automatically between siblings: the R212s reaches Dominus only in pairs and is THX Ultra on its own, and several R-Series models carry no THX certification at all.

The Listening Room Difference

We're a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on exceptional service and relentless passion for hifi. Whether you're visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don't just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection. Our passion is helping you get the most out of your gear, with support that lasts well beyond the sale.

Perlisten D212s Specifications

Important info: Download the Perlisten D212s Data Sheet (PDF)  |  View the D212s on Perlisten Audio