Yamaha NS-SW300 Powered Subwoofer – Deep Bass with Elegant Precision

The Yamaha NS-SW300 powered subwoofer is a premium audio component engineered to deliver rich, accurate, and dynamic low-frequency performance for home theater systems, stereo music setups, and high-fidelity listening environments. Combining innovative acoustic technologies with elegant design and robust power output, the NS-SW300 stands out as a reliable and stylish solution for those seeking immersive bass without compromising aesthetics or audio clarity.

Ideal for pairing with Yamaha’s range of AV receivers and speaker systems, this subwoofer brings cinema-quality impact to movies, depth to music, and realism to games—all while maintaining refined sound balance and low distortion.

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250-Watt Power Output for Cinematic Low-End

At the heart of the Yamaha NS-SW300 is a high-efficiency 250-watt built-in amplifier that delivers substantial, room-filling bass. With dynamic power peaking at up to 250W, it can reproduce deep low-end frequencies that enhance every explosion, drum hit, or bassline with impressive realism.

Whether you’re watching a blockbuster action film, listening to orchestral music, or streaming pop hits, the NS-SW300 adds dimension and weight to the audio, creating a more engaging and emotionally impactful listening experience.

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Twisted Flare Port Technology for Clearer, Tighter Bass

Yamaha’s proprietary Twisted Flare Port design is a key innovation that sets the NS-SW300 apart from traditional subwoofers. Unlike conventional ports that can introduce turbulence and unwanted noise, the Twisted Flare Port features a flared, spiral-shaped form that smooths airflow at the port’s edge.

The result is a cleaner, more accurate bass response, especially during fast, dynamic sequences like movie explosions or kick drums. This technology reduces “chuffing” noise and enhances clarity at lower frequencies, ensuring the subwoofer’s output remains tight and controlled at any volume level.

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Advanced YST II (Yamaha Active Servo Technology)

The NS-SW300 utilizes Yamaha’s exclusive Advanced YST II (Yamaha Active Servo Technology) to achieve greater control and stability in the low-frequency range. This intelligent system combines negative impedance and constant current principles to drive the speaker cone more precisely.

In practical terms, this means better linearity, tighter response, and lower distortion, even at high output levels. Whether you’re enjoying subtle movie ambience or powerful basslines in music, Advanced YST II ensures the NS-SW300 delivers responsive and accurate low-end performance.

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10-Inch Woofer with Solid Magnetic Shielding

The NS-SW300 features a 10-inch (25 cm) front-firing woofer powered by a highly responsive voice coil and a strong magnetic circuit. Housed in a sturdy, low-resonance MDF cabinet, this driver provides extended bass reproduction while minimizing distortion.

For added flexibility in home theater placement, the woofer is magnetically shielded, preventing interference with nearby TVs or AV components. This makes it easy to position the subwoofer closer to your entertainment setup without introducing unwanted noise or image distortion.

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Elegant Design That Blends with Modern Interiors

Unlike bulky, utilitarian subwoofers, the Yamaha NS-SW300 features a sleek, curved cabinet design with a high-gloss black front panel and minimalist styling. This allows it to fit seamlessly into modern living rooms, media centers, or high-end audio environments without disrupting the decor.

The illuminated front-mounted power button and volume dial add a touch of sophistication while offering easy control. A discreet down-facing LED indicator shows power status without drawing unnecessary attention. This subwoofer isn’t just a performer—it’s also a beautifully crafted piece of equipment.

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Versatile Connectivity for Any System

The NS-SW300 is built with versatile input options to suit a wide range of AV setups. It includes:

• Line-level RCA input (L/R)

• Speaker-level inputs (for systems without dedicated subwoofer pre-outs)

• Auto-standby function that powers the unit off after periods of inactivity

Whether you’re connecting it to a stereo amplifier, AV receiver, or integrated home theater system, the Yamaha NS-SW300 provides a hassle-free integration experience, with intelligent features that adapt to your equipment and usage patterns.

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Ideal for Home Theater and Music Listening

The Yamaha NS-SW300 is the perfect subwoofer for audiophiles, movie lovers, and gamers alike. Its low-frequency extension enhances realism and presence in:

• Home theater systems – Feel every explosion, rumble, or engine growl with depth and realism.

• Stereo music systems – Add warmth and foundation to jazz, rock, classical, or electronic music.

• Gaming setups – Bring added excitement and immersion to action games and cinematic soundscapes.

Its ability to deliver both subtle nuance and impactful force makes it equally suited for quiet musical passages and loud cinematic sequences.

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Technical Specifications

• Subwoofer Type: Powered / Active (front-firing)

• Driver Size: 10″ (25 cm) cone woofer

• Amplifier Output Power: 250 watts (dynamic)

• Frequency Response: 20 Hz – 160 Hz

• Technology:

  • Advanced YST II (Yamaha Active Servo Technology)

  • Twisted Flare Port

• Cabinet Design: Front-firing, bass-reflex with curved edges

• Inputs:

  • RCA Line In (L/R)

  • Speaker-Level Input

• Controls:

  • System control (auto on/off)

  • Power switch

  • Volume dial

  • Low-pass crossover (40 – 140 Hz)

• Phase Control: Yes (0°/180° switch)

• Standby Power Consumption: 0.3W

• Finish: Black (piano-gloss front with matte sides)

• Dimensions (W x H x D): 350 x 366 x 420 mm

• Weight: 18 kg (39.7 lbs)

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Built for Long-Term Performance

With Yamaha’s legendary attention to detail and long-standing experience in audio engineering, the NS-SW300 powered subwoofer is designed for reliable performance over time. High-quality internal components, intelligent power management, and sturdy cabinet construction ensure years of consistent, distortion-free bass—even under demanding listening conditions.

The subwoofer’s low-vibration enclosure minimizes cabinet resonance, while internal bracing ensures structural stability and acoustic precision. Every element is crafted with the goal of achieving smooth, lifelike low-frequency reproduction.

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Why Choose the Yamaha NS-SW300?

The Yamaha NS-SW300 offers the perfect combination of refined aesthetics, powerful bass performance, and intelligent acoustic engineering. Whether you’re upgrading a home theater or enhancing a stereo system, this subwoofer delivers the kind of immersive, room-filling low end that brings your media to life.

With advanced technologies like Twisted Flare Port and Advanced YST II, the NS-SW300 achieves clarity and control not often found in this category. Its clean design, flexible connectivity, and Yamaha’s audio heritage make it an excellent addition to any modern entertainment system.