Klipsch The Nines Hi-Fi Bookshelf speaker Walnut

Klipsch The Nines Walnut — Heritage-Inspired Powered Bookshelf Speakers

The Klipsch The Nines Walnut are powered bookshelf speakers that combine a mid-century modern aesthetic with a custom-built 240-watt amplifier, eliminating the need for a separate AV receiver. Each cabinet pairs a 1" titanium LTS tweeter on a 90° x 90° Tractrix horn with an 8" long-throw fiber-composite woofer, bi-amplified for precise driver control. A built-in 24-bit/192kHz DAC reproduces high-resolution audio from a TV, turntable, computer, or Bluetooth source. This model is the right choice for listeners who want authentic hi-fi sound and a single-box solution that replaces a stack of separates.

What Sets This Model Apart

Most powered speakers use a single amplifier channel for both drivers — these employ a custom-engineered bi-amplified configuration that sends 100 watts to each woofer and 20 watts to each tweeter independently. The 1" titanium tweeter sits inside a silicone-composite Tractrix horn stretching edge-to-edge across the baffle, delivering a 90° x 90° dispersion pattern for a broader soundstage. A rear-firing Tractrix port with custom inner flares reduces air turbulence for cleaner low-frequency output at high listening levels.

Driver Design and Acoustic Performance

The two-way layout combines a horn-loaded tweeter with a high-excursion woofer, supported by DSP crossover tuning and Dynamic Bass EQ that adjusts low-frequency response with volume. This configuration delivers a frequency response of 34 Hz to 25 kHz (±3dB) and a maximum SPL of 115 dB.

• Tweeter: 25 mm titanium LTS with Tractrix horn — Linear Travel Suspension lowers distortion and extends high-frequency detail
• Woofer: 203 mm long-throw fiber-composite cone — high-excursion design for accurate midbass and deep bass response
• Max SPL: 115 dB — enough headroom to fill large living rooms without strain

Built-In Amplification and High-Resolution Decoding

A custom-engineered amplifier integrated into the primary speaker delivers 240 watts RMS total system power and 480 watts peak without external amplification. The built-in DAC supports 24-bit/192kHz decoding through HDMI-ARC, USB-B, and optical inputs for hi-res PCM playback from a connected computer or TV.

• Total System Power: 240 W RMS (480 W peak) — 100 W to each woofer, 20 W to each tweeter
• DAC Resolution: 24-bit / 192 kHz — full hi-res PCM decoding on digital inputs
• Frequency Response: 34 Hz – 25 kHz (±3 dB) — extends well below typical bookshelf speaker range

Connections, App Control, and Cabinet Design

Inputs cover virtually every common source: HDMI-ARC for TV audio, USB-B for computer playback, optical digital, stereo RCA with switchable phono pre-amp, 3.5mm aux, and Bluetooth 5.0. A mono RCA subwoofer output allows easy 2.1 expansion, while the companion app provides custom EQ, speaker placement compensation, Dynamic Bass, and Night Mode.

• Inputs: HDMI-ARC, USB-B, optical, RCA (line/phono MM), 3.5mm aux, Bluetooth 5.0 — covers every common source without extra adapters
• Subwoofer Output: Mono RCA — pairs with any powered sub for full-range extension
• Cabinet: MDF with genuine walnut wood veneer, magnetic grilles, cork isolation pads, 243 × 492 × 398 mm, 12.88 kg active / 12.25 kg passive — resonance-controlled enclosure with furniture-grade finish

Who Should Choose The Nines Walnut

This model is the right choice for music lovers who want a complete hi-fi system without the complexity of separates — no receiver, no speaker cables to an amp. Vinyl enthusiasts benefit from the built-in phono pre-amp that connects a turntable directly, while TV viewers gain a substantial upgrade over built-in television speakers through HDMI-ARC. The 240-watt bi-amplified output and 115 dB max SPL suit medium and large rooms, and the walnut veneer with metal control knobs fits mid-century, industrial, and modern interiors.

The Heritage Inspired Line

Part of the Heritage Inspired series, this model blends mid-century modern design cues with proprietary horn-loaded acoustic technology. Engineered with a 90° x 90° silicone composite profile, the signature Tractrix horn has been a defining element of these speakers for decades, while the titanium LTS tweeter design reflects ongoing refinement of high-frequency reproduction. A companion mobile app extends the heritage into the modern streaming era with over-the-air firmware updates, custom EQ, and remote speaker placement tuning.