Amphion One18X Passive Studio Monitor

The Amphion One18X Passive Studio Monitor is the next evolution of Amphion’s trusted One18 studio monitor. It is a modern workhorse designed for professionals who demand clarity, precision, and consistency.

The Amphion One18X brings together a highly linear, ultra-low distortion tweeter and a newly engineered crossover. This delivers improved extension in the highs, enhanced clarity in the mids, and a tighter transient response. The design upgrades preserve the acclaimed translation and imaging of the original One18, while refining its ability to reveal detail, spatial cues, and subtle nuances across the frequency spectrum. Passive and free of DSP, the One18X emphasizes acoustic purity. Its point-source driver alignment, phase coherence, and passive radiator design together enable accurate bass performance without sacrificing speed or detail. It’s built to translate reliably! Whether you’re mixing, mastering or reference listening, the One18X gives you a monitor you can trust to reveal what’s really in the audio, even at low playback levels or in less-than-ideal acoustic spaces.

Amphion One18X Passive Studio Monitor Features

• Ultra-linear, ultra-low distortion titanium tweeter for high-frequency clarity
• Newly engineered crossover for smoother transitions and improved resolution
• Passive radiator design instead of reflex ports to achieve more natural bass loading and room interaction
• Point-source alignment and waveguide that aligns tweeter and woofer voice coils, improving phase coherence and imaging
• Wide dispersion pattern so performance and fidelity are preserved across off-axis as well as on-axis listening positions
• DSP-free design to avoid coloration and allow for external room-correction or signal-processing chains without interaction
• Designed for low-volume listening with high fidelity, maintaining detail even at modest SPLs

Amphion One18X Passive Studio Monitor Specifications

• Operating Principle: Two-way, passive radiator
• Drivers: 1″ titanium tweeter; 6½″ aluminum woofer
• Crossover Point: ~1600 Hz
• Impedance: 8 Ω
• Sensitivity: 85 dB @ 2.83V/1m
• Frequency Response: 45 – 55,000 Hz ±3 dB
• Power Handling / Recommendation: 100 – 350 W
• Dimensions (H × W × D): 380 × 190 × 305 mm / 14.96 × 7.5 × 12 in; connectors add ~39 mm / 1.54 in to depth
• Weight: 10 kg (22 lbs) per speaker

Amphion One18X Passive Studio Monitor Includes

• Amphion One18X Passive Studio Monitor
• Manufacturer Warranty