SKU: 75113950802

NAD C 298 STEREO POWER AMPLIFIER

Sale price$2024.55 Regular price$2249.50
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Description

NAD C 298 STEREO POWER AMPLIFIERPowerful. Efficient. Eigentakt Amazing Flexibility The C 298 may be a basic Power Amp, but we have carefully thought through all the use cases typically encountered to create a rich feature content. Selectable balanced inputs make the C 298 a natural for studio use or connection to High End Preamps and Processors. These inputs include a trim control useful for matching to other components. A line out allows further addition of power on the same

Powerful. Efficient. Eigentakt™

Amazing Flexibility

The C 298 may be a basic Power Amp, but we have carefully thought through all the use cases typically encountered to create a rich feature content. Selectable balanced inputs make the C 298 a natural for studio use or connection to High End Preamps and Processors. These inputs include a trim control useful for matching to other components. A line out allows further addition of power on the same channel for additional speakers or subwoofers. Auto-sense with selectable threshold is perfect for automating complex systems or hiding the amp out of sight in a cabinet. We even include a Ground Lug that can be very useful for eliminating ground loops and noise in complex multi-unit systems. Added to all this connectivity is a Bridge Switch that turns the C 298 into an amazingly powerful Monobloc Amplifier. Start with one and add a second C 298 later when you upgrade your speakers.

Getting the Basics Right

It is surprising how many seemingly advanced products in the market today often miss many of the most basic requirements for satisfying performance. Low noise circuits, accurate channel balance, proper input and output impedance characteristics, high overload margins and stability with difficult speaker loads. NAD starts by getting these things precisely right and advances from there. Our line inputs, both Balanced and Single-ended, can accommodate all kinds of analog source components by offering ideal input impedance characteristics with linear ultra-low-noise buffer amplifiers to prevent any sonic degradation caused by inappropriate loading of the source device. These are all details you can hear.

Sophisticated Power

NAD has moved away from the old fashioned and very power hungry linear power supplies and Class AB output stages that waste nearly half of the energy consumed producing heat rather than sound. Instead we have developed even better performing circuits based on switch mode power supplies and Class D output stages. Once thought to be inferior to traditional topologies, NAD’s advanced work in this area has created some of the best performing amplifiers regardless of basic design principle. These new designs are very linear over a wide bandwidth and provide consistent performance into all speaker loads, providing a dramatic advance over previous models.

The generously dimensioned power supply easily allows for 185 watts continuous and over 570 watts instantaneous power for short term musical transients. Innovative Asymmetrical Power-Drive fully utilizes every last watt available with its vast reserves of dynamic power available to accurately reproduce musical transients without distortion or compression. It can operate with any AC mains voltage from 100v to 240v and provides pure DC power to all the various stages of the C 298. This highly efficient supply also provides near perfect regulation of voltage across a wide range of conditions and provides a solid noise-free foundation for the amplifying stages.

Purifi ‘Eigentakt’ Amplifier Technology

Purifi is a Danish technology company that has brought together several of the industry’s leading engineers to apply advanced mathematical modelling to solve the last remaining limitations of audio amplifiers. While there are many good sounding amplifiers on the market today, Purifi has taken a fresh look at every aspect of amplifier performance and found many seemingly small non-linearities that can make a dramatic difference in the overall sound. This return to first principles has resulted in a stunningly simple approach to some remarkably complex problems. With features and technology unmatched by other amplifiers in its class, the C 298 amplifier is an easy upgrade for any system and a surprising partner for the most sophisticated and advanced loudspeakers on the market.

Features

  • 185W x 2 Rated Output Power into 8 Ohms
  • 340W x 2 Rated Output Power into 4 Ohms
  • Stereo Dynamic Power 260/490/570W @ 8/4/2 Ohms
  • 620W x 1 Rated Output into 8 Ohms Bridge Mode
  • Mono Dynamic Power 1000/1100W @ 8/4 Ohms
  • Purifi Eigentakt™ Amplifier Technology
  • Balanced Line Inputs
  • Single-Ended Line Inputs
  • Input Level Control
  • Line Output for Daisy Chaining
  • 12V Trigger In/Out
  • Auto Turn-on with Selectable Threshold
  • IR In/Out
  • Ground Lug
  • Detachable AC Power Cord

 

SPECIFICATIONS

ANALOG AUDIO INPUT/LINE OUT

  • THD (20 Hz – 20 kHz)
  • <0.0005 % at 2V out
  • Signal-to-Noise Ratio
  • >120 dB (IHF; 20 Hz – 20 kHz, ref. 2V out)
  • Channel separation
  • >110 dB (1 kHz)
    >100 dB (10 kHz)
  • Input impedance (R and C)
  • Single-ended: 56 kohms + 280 pF
    Balanced: 56 kohms +280 pF
  • Maximum input signal
  • >7.0 Vrms (ref. 0.1 % THD)
  • Output impedance
  • 390 ohms
  • Frequency response
  • ±0.1 dB (20 Hz – 20 kHz)
  • Maximum voltage output -IHF load
  • ≥>7.0 V (ref. 0.1 % THD)

ANALOG AUDIO INPUT/SPEAKER OUT

  • Rated output power into 8 Ohms and 4 ohms (Stereo mode, ref. 20 Hz-20 kHz at
    rated THD, both channels driven)
  • 185 W at 8 ohms
    340 W at 4 ohms
  • Rated output power into 8 Ohms
    (Bridge mode, ref. 20 Hz-20 kHz
    at rated THD, both channels driven)
  • 620 W at 8 ohms
  • THD (20 Hz – 20 kHz)
  • <0.005 % (1 W to 185 W, 8 ohms and 4 ohms)
  • Signal-to-Noise Ratio
  • >98 dB (A-weighted, 500 mV input, ref. 1 W out in 8 ohms)
    >120 dB (A-weighted, ref. 185 W out in 8 ohms)
  • Clipping power (Stereo mode, at 1 kHz 0.1 % THD)
  • >200 W
  • Clipping power (Bridge mode, at 1 kHz 0.1 % THD)
  • >690 W
  • IHF dynamic power (Stereo mode, at 1 kHz 1 % THD)
  • 8 ohms: 260 W
    4 ohms: 490 W
    2 ohms: 570 W
  • IHF dynamic power (Bridge mode, at 1 kHz 1 % THD)
  • 8 ohms: 1000 W
    4 ohms: 1100 W
  • Peak output current
  • >25 A (in 1 ohm, 1 ms)
  • Damping factor
  • >800 (ref. 8 ohms 20 Hz – 6.5 kHz)
  • Frequency response
  • ±0.2 dB (20 Hz – 20 kHz)
    -3 dB at 60 kHz
  • Channel separation
  • >100 dB (1 kHz)
    >80 dB (10 kHz)
  • Stereo Mode input sensitivity (for 185 W in 8 ohms)
  • Fixed Gain mode: 1.43 V
  • Stereo Mode Gain
  • Fixed Gain mode: 28.6 dB
  • Line In – Balanced and Single-ended
  • Variable Gain mode: 8.5 dB – 28.5 dB
  • Bridge Mode Sensitivity
  • Fixed Gain mode: 3.78 V for 620 W in 8 ohms
  • Line In – Balanced and Single-ended
  • Variable Gain mode at maximum: 1.41 V for 620 W in 8 ohms
  • Bridge Mode Gain
  • Fixed Gain mode: 25.4 dB
  • Line In – Balanced and Single-ended
  • Variable Gain mode: 14.5 dB – 34.5 dB
  • Standby power
  • <0.5 W

DIMENSION AND WEIGHT

  • Gross dimensions (W x H x D)
  • 435 x 120 x 390 mm (17 1/8 x 4 3/4 x 15 3/8 inches)
  • Net weight
  • 11.2 kg (24.7 lbs)
  • Shipping weight
  • 13.6 kg (30 lbs)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 75113950802

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iamoverrated
San Leandro, US
★★★★★ 5
A Lungful of Freedom
Size: 9.7" x 9.3" x 1.8"
Dateline: The Passenger-Side Footwell of a Toyota Venza, Sunday Night. We spend our lives in sealed metal boxes, hurtling through a thick, invisible soup of our own collective filth. A foul cocktail of exhaust fumes, road dust, tire particles, and whatever strange, pollen-based miasma the world decides to throw at us on any given day. To breathe that poison in, unfiltered, is an act of slow, unwitting suicide. You need a line of defense. A gatekeeper for your own lungs. Enter the Bosch 6055C HEPA Cabin Air Filter. It is not a glamorous part. It is not a performance upgrade that adds horsepower or prestige. It is a simple, pleated rectangle of paper and charcoal, a humble guardian destined to live out its days in a dark plastic cave behind your glovebox. But its mission is a noble one. The replacement process is a moment of pure, unadulterated, five-minute victory over the dealership's service department. You pop open the glovebox, you unclip the old filter tray, and you pull out the old soldier. And what you find is a horror show. A grey, matted testament to the unseen war it has been fighting on your behalf, choked with leaves, dirt, and the ghosts of a thousand diesel trucks. It is the face of the enemy. You unwrap the new Bosch filter. It feels solid, well-made. The pleats are clean and numerous. I laid it side-by-side with the outgoing Denso filter—a brand that supplies the automakers themselves—and I could find no meaningful difference. The quality was equal. The construction, robust. This was no flimsy, cut-rate pretender. This was a serious piece of hardware from a serious company. You slide the clean, white Bosch into the tray, snap it back into its dark little home, and close the glovebox. The deed is done. You have performed a life-saving transplant on your vehicle's respiratory system in less time than it takes to listen to a single pop song. And the value… the value is the sweet, sweet punchline. For a fraction of what a dealership would charge you for the same simple service, you have installed a top-tier, HEPA-grade filter from one of the most respected names in the business. You have guaranteed yourself a clean, breathable bubble of personal space as you navigate the toxic jungle of the modern roadway. This is not just a filter; it's a small, affordable act of rebellion. It’s a declaration that you, and you alone, are the master of the air you breathe. It is a simple, effective, and profoundly satisfying piece of gear. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2025
J
Verified Purchase
JoAmazonDude
San Leandro, US
★★★★★ 4
Great Upgrade to your Cabin Filter. Fits 2018 Subaru Outback
Size: 9.7" x 9.3" x 1.8"
This is a great filter upgrade to your cabin filter. This is better than the Subi standard part. Fits my Subaru outback. NOTE: Subi marks their filter with an 'up' arrow; however, this filter is marked with a 'airflow' direction. Direction of air flow is toward the blower motor so it will point downward when you install it.
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Reviewed in the United States on April 25, 2026
J
Verified Purchase
Jerry
West Palm Beach, US
★★★★★ 5
Much cheaper than letting dealership do the job
Size: 9.7" x 9.3" x 1.8"
Filter fits well in works well
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Reviewed in the United States on May 8, 2026
G
Verified Purchase
Good product, Not easy to install
Alexandria, US
★★★★★ 5
Not fit for 2023 Highlander
Size: 9.7" x 9.3" x 1.8", Size: 9.7" x 9.3" x 1.8"
Product quality is good, that's why I give 5 stars. However it was not fit for my 2023 Toyota Highlander,, so returned.
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Reviewed in the United States on May 3, 2026
J
Verified Purchase
JPM
Bozeman, US
★★★★★ 5
Air flow direction
Size: 9.7" x 9.3" x 1.8"
Good product. Fits fine. This is not a Toyota part so Air Flow Arrows on filter should face down in a 2015 Toyota Rav4.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026

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