Tangent Spectrum X4 2-Way Bass-Reflex Bookshelf Speaker

Tangent Spectrum X4 2-Way Bass-Reflex Bookshelf Speaker

The Tangent Spectrum X4 is a compact 2-way bass-reflex bookshelf speaker designed to deliver detailed and engaging stereo sound from a space-efficient cabinet. Featuring a 1-inch wide-dispersion soft fabric dome tweeter and a 4-inch long-throw paper bass driver, the Spectrum X4 combines Danish design with practical performance for music listening, desktop audio and compact home entertainment systems.

Its compact enclosure, walnut base plinth and attractive matte finishes make the Spectrum X4 suitable for both bookshelf and stand-mounted installations.

Key Features

• 2-Way Bass-Reflex Design for balanced full-range performance

• 1-inch Soft Fabric Dome Tweeter with wide dispersion

• 4-inch Long-Throw Paper Woofer for controlled low-frequency reproduction

• 65 Hz – 20 kHz Frequency Response

• 88 dB Sensitivity

• 6 Ohms Nominal Impedance

• Recommended amplifier power of 10–80W

• Compact bookshelf/stand-mount design

• Protective metal mesh grille

• Walnut base plinth

• Danish design

• Available in Midnight Black and Polar White matte finishes

• Compatible with Tangent EVO wall-mount accessories

Wide-Dispersion Soft Dome Tweeter

The Spectrum X4 uses a 25 mm (1-inch) soft fabric dome tweeter designed to provide wide sound dispersion and detailed high-frequency reproduction.

Its wide-dispersion character helps maintain consistent sound across a broader listening area, making the speaker suitable for both near-field and conventional stereo listening.

4-Inch Long-Throw Bass Driver

A 4-inch long-throw paper bass driver handles the mid and low frequencies. The driver is protected by a metal mesh grille and works together with the bass-reflex enclosure to provide controlled and extended bass for a compact bookshelf speaker.

Compact Bass-Reflex Cabinet

The Spectrum X4 features a 2-way bass-reflex enclosure, allowing the compact cabinet to produce useful low-frequency extension while maintaining a relatively small footprint.

With dimensions of just 146 × 275 × 198 mm, it can be easily positioned on a bookshelf, cabinet, speaker stand or other suitable surface.

Danish Design

The Spectrum X4 reflects Tangent's Danish design philosophy, combining clean contemporary styling with functional acoustic engineering.

The speakers are offered in Midnight Black and Polar White matte finishes, complemented by walnut base plinths.

Flexible Installation

The Spectrum X4 is designed primarily for bookshelf and stand mounting. It is also compatible with the Tangent EVO wall mount, providing additional installation flexibility for compact rooms and custom audio applications.

Stereo Listening Performance

With 88 dB sensitivity and a recommended amplifier range of 10–80W, the Spectrum X4 can be partnered with a wide variety of stereo amplifiers and compact integrated amplifiers.

Its 65 Hz–20 kHz frequency response makes it particularly suitable for music listening and compact stereo systems.

Features

• 2-way passive loudspeaker

• Bass-reflex enclosure

• 1-inch / 25 mm soft fabric dome tweeter

• 4-inch / 100 mm long-throw paper woofer

• Wide-dispersion tweeter

• Protective metal mesh grille

• Walnut base plinth

• Danish design

• Bookshelf/stand-mount configuration

• Tangent EVO wall-mount compatible

• Midnight Black finish

• Polar White finish

• 6 Ohm impedance

• 88 dB sensitivity

• 65 Hz–20 kHz frequency response

• Recommended amplifier power: 10–80W

Specifications

• Model Spectrum X4

• Type 2-Way Bass-Reflex Bookshelf Speaker

• Tweeter 1" / 25 mm Soft Fabric Dome

• Woofer  4" / 100 mm Long-Throw Paper Driver

• Frequency Response 65 Hz – 20 kHz

• Sensitivity 88 dB / 1W / 1m

• Impedance 6 Ohms

• Recommended Amplifier 10–80W

• Dimensions (W × H × D) 146 × 275 × 198 mm

• Weight 3.45 kg per speaker

• Enclosure Bass Reflex

• Finish Midnight Black / Polar White

• Mounting Bookshelf / Stand Mount

• Wall Mount Compatibility Tangent EVO Wall Mount

• Packaging Dimensions (W × H × D) 235 × 390 × 265 mm

• Net Packaging Weight 6 kg

• Gross Packaging Weight 7 kg

Professional Summary

The Tangent Spectrum X4 is a compact and versatile 2-way bass-reflex bookshelf speaker that combines Danish styling with practical acoustic performance. Its 1-inch soft fabric dome tweeter, 4-inch long-throw paper woofer, 88 dB sensitivity and 65 Hz–20 kHz response make it an excellent choice for compact stereo and home audio applications.