Horn X2 Atom Speaker (pair)

Small Cabinet. Real Horn Authority.

Most small speakers sound small.

The Horn X2 Atom does not.

This is a true horn-driven loudspeaker built around the removable Horn X2 Atom engine — a high-efficiency compression driver with a real second-order crossover network, not a soft dome glued into a box.

The result?
Speed. Clarity. Effortless dynamics.
Even at low volume.

Why People Choose the Atom

Because they want horn sound — without a huge cabinet.

Because they use tube amps or lower-watt amplifiers.

Because they’re tired of speakers that strain when the music swells.

The Atom plays clean, composed, and stable. It doesn’t shout. It doesn’t smear. It simply scales with the music.

What You’re Actually Buying

You’re not just buying a small speaker.

You’re buying:

• A real compression-driver horn system
• A second-order crossover (high-pass and low-pass)
• Built-in baffle step compensation
• Adjustable sensitivity tuning (±3 dB)
• User-adjustable high-pass capacitor
• A removable Horn X2 engine you can reuse later

This isn’t a dead-end product.
The engine can later upgrade another compatible speaker if you choose.

The Cabinet Matters

The 4-liter enclosure is purpose-built for compact spaces.

• Baltic birch construction
• 1-inch solid hardwood front baffle (no veneers)
• Rear-ported alignment
• PLA 3D-printed gyroid-filled damping pedestal
• Isolated upper plinth interface for horn decoupling

The gyroid structure increases rigidity while reducing mechanical transfer between cabinet and horn assembly.

Nothing decorative. Everything intentional.

Real-World Performance

Nominal Impedance: 8 ohms
Real-World Sensitivity: 87 dB

In-room low-frequency extension: ~65 Hz (–3 dB)

Two-way horn-loaded system
6-inch horn format
Second-order high-pass and low-pass network
Nominal crossover region ~2.5 kHz (user adjustable)

Designed for small rooms, nearfield setups, apartments, and tube amplifier systems where space is limited but performance is not negotiable.

Full Specifications

System Type
Two-way horn-loaded loudspeaker
Removable Horn X2 Atom high-frequency engine

Woofer
Mark Audio CHR70 – 4-inch wide-range driver

Horn Section
6-inch format precision horn
High-efficiency compression driver
Second-order high-pass and low-pass network
Adjustable L-pad (±3 dB)
Supplied resistor tuning pack
User-adjustable capacitor options

Cabinet
4-liter internal volume
Rear-ported
Baltic birch enclosure
1-inch solid hardwood front baffle
PLA gyroid-filled damping pedestal
Integrated Baffle Step Compensation

Nominal Impedance
8 ohms

Sensitivity
87 dB (real-world)

In-Room Extension
~65 Hz (–3 dB)

Dimensions (per speaker)
Height: 18.5 inches
Width: 6 inches
Depth: 9.5 inches

Weight (per speaker)
13.2 lbs

Position in the Horn X2 Line

Horn X2 Atom Speaker — 4L compact precision
Horn X2 PRO Speaker — 40L mid-format authority
Horn X2 Magnum Speaker — 80L large-format scale

Same acoustic philosophy. Scaled output and room capability.