The TRIANGLE Solstice 3 is a premium 2-way hi-fi bookshelf speaker designed for detailed stereo listening and versatile home theater use. Featuring a 25mm magnesium alloy barrel-type horn tweeter, 16cm natural cellulose pulp midwoofer, DVAS vibration control, and a hidden laminar bass-reflex port, it delivers open, natural, and dynamic sound in rooms from 10 to 35 m². Sold as a pair and available in Teak, Birch, Black Ash, and White, the Solstice 3 brings refined TRIANGLE performance to compact and medium-sized listening spaces.
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TRIANGLE Solstice 3 Hi-Fi Bookshelf Speaker

Product Description

The TRIANGLE Solstice 3 is a premium hi-fi bookshelf speaker designed to deliver spacious, expressive sound from a compact cabinet. As the successor to TRIANGLE’s iconic Comète bookshelf speaker, the Solstice 3 brings a refined 2-way acoustic design, an advanced 25mm magnesium alloy barrel-type horn tweeter, and a 16cm natural cellulose pulp midwoofer together for a balanced, detailed, and highly musical listening experience.

Built for rooms from 10 to 35 m², the Solstice 3 is equally impressive in a compact stereo system, desktop hi-fi setup, or immersive home theater configuration. Its open soundstage, realistic vocal reproduction, controlled low frequencies, and lively dynamics make it a versatile choice for music lovers and cinema enthusiasts alike. With SOLSTICE technologies such as the TZ2540MG horn tweeter, DVAS internal reinforcement, a hidden laminar bass-reflex port, and a 2° tilted vibration-damping base, the Solstice 3 pushes the performance expectations of a bookshelf speaker while maintaining elegant TRIANGLE design.

Specifications

• Product Name: TRIANGLE Solstice 3
• Product Type: Hi-Fi bookshelf speaker
• Speaker Use: High-fidelity stereo and home theater applications
• Speaker Design: Passive bookshelf speaker
• Recommended Room Size: 10 to 35 m²
• Type: Bookshelf speaker with laminar vent bass-reflex design
• Number of Ways: 2-way speaker design
• Power Handling: 90 watts
• Recommended Amplifier Power: 25 to 130 watts RMS per channel into 8 ohms
• Sensitivity: 90 dB
• Frequency Response: 48 Hz – 22,000 Hz (+/- 3 dB)
• Nominal Impedance: 8 ohms
• Minimum Impedance: 5.3 ohms
• Total Drivers: 2 drivers
• Tweeter: 1 x 25mm magnesium alloy barrel-type horn tweeter
• Midwoofer: 1 x 16cm natural cellulose pulp midwoofer
• Tweeter Technology: TZ2540MG horn tweeter with optimized phase plug and barrel-shaped horn mouth
• Driver Basket: 16cm die-cast aluminum basket with acoustically neutral arch-shaped structure
• Midwoofer Design: Natural cellulose pulp membrane for refined timbre reproduction
• Internal Reinforcement: DVAS Driver Vibration Absorption System
• Base Design: Multi-functional optimized base with hidden laminar bass-reflex port
• Base Material: Cast iron honeycomb structure with thick silicone layer
• Base Inclination: 2° tilt for optimized directionality and wider listening field
• Terminal Block: New TRIANGLE terminal block with champagne finish
• Terminal Compatibility: Compatible with stripped speaker cable and banana plugs
• Dedicated Stand Compatibility: Designed to pair with the TRIANGLE S05 speaker stand
• S05 Stand Design: Profiled aluminum tube with glass base
• S05 Stand Finish Options: Black, White, Teak, and Greige
• S05 Stand Accessories: Aluminum decoupling spikes and rubber caps
• Crossover Frequency: 2800 Hz
• Dimensions: 221 mm W x 418 mm H x 370 mm D
• Packaging Dimensions: 600 mm W x 530 mm H x 500 mm D
• Unit Weight: 12.9 kg
• Weight Per Pair Including Packaging: 29.6 kg
• Available Finishes: Teak, Birch, Black Ash, White
• Sold As: The pair
• Included Accessories: 2 protective grilles

What It's Great At

• Compact High-Fidelity Listening: The Solstice 3 delivers rich, detailed sound from a bookshelf speaker format that fits beautifully into smaller and mid-sized rooms.
• Natural Vocals and Instruments: Its natural cellulose pulp midwoofer helps reproduce voices and instruments with warmth, clarity, and realistic texture.
• Open, Precise Treble: The 25mm magnesium alloy barrel-type horn tweeter improves high-frequency dispersion for airy, detailed, and refined sound.
• Controlled Low Frequencies: A hidden laminar bass-reflex port helps reduce airflow noise while supporting dynamic and balanced bass performance.
• Hi-Fi and Home Theater Versatility: Use the Solstice 3 as the centerpiece of a compact stereo system, front speakers in smaller rooms, or surround speakers in a larger home cinema setup.
• Reduced Cabinet Vibration: TRIANGLE’s DVAS structure and dual-material base help absorb unwanted vibrations for improved clarity, detail, and dynamics.
• Elegant System Matching: With four speaker finishes and optional S05 stands available in complementary colors, the Solstice 3 is easy to integrate into refined listening spaces.

FAQ Section

Q: Is the TRIANGLE Solstice 3 sold individually or as a pair?
A: The Solstice 3 is sold as a pair, making it ready for a complete stereo speaker setup.

Q: What room size is best for the Solstice 3?
A: The Solstice 3 is recommended for rooms from 10 to 35 m², making it ideal for compact to medium-sized listening spaces.

Q: What amplifier power is recommended for the Solstice 3?
A: TRIANGLE recommends an amplifier rated from 25 to 130 watts RMS per channel into 8 ohms.

Q: Can the Solstice 3 be used in a home theater system?
A: Yes. The Solstice 3 works well as a front speaker in smaller rooms or as a surround speaker in more ambitious home cinema systems.

Q: What drivers are used in the Solstice 3?
A: The Solstice 3 uses two drivers: one 25mm magnesium alloy barrel-type horn tweeter and one 16cm natural cellulose pulp midwoofer.

Q: What is the benefit of the TZ2540MG horn tweeter?
A: The TZ2540MG tweeter uses an optimized phase plug and barrel-shaped horn profile to improve high-frequency dispersion, detail, and openness.

Q: What is DVAS technology?
A: DVAS stands for Driver Vibration Absorption System. It helps reduce vibrations by integrating the drivers into the speaker structure, improving rigidity, clarity, detail, and dynamics.

Q: Which speaker stands are recommended for the Solstice 3?
A: The Solstice 3 is designed to pair with the TRIANGLE S05 stand, which features a profiled aluminum tube, glass base, and finishes matched to the Solstice 3 range.