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Terra + Gravity system
Near-field 2.2 System
Active + Passive , Full-range reference system , 2.2 stereo
Terra + Gravity
Feel the weight of every decision.

One system. One calibration. Nothing left to chance.

Buy System View Specs
System Response
±1.5dB 30Hz–30kHz
LF Extension
F6 at 20Hz
System SPL
112dB @ 1kHz
LF SPL
106dB @ 50Hz
Configuration
2.2 stereo
The System

Not two products. One system.

Terra reaches 40Hz linear and stops. Not because the engineering ran out, but because a near-field monitor has physical limits. Gravity picks up exactly where Terra leaves off, extending the system to 30Hz linear without introducing a single additional control point, crossover adjustment, or phase alignment decision.

The result is a fully realized, full-range loudspeaker system for professionals who demand accuracy at every frequency. Not a monitor with a subwoofer bolted on. A system that was designed as one from the beginning.

Gravity is passive. Power, DSP, crossover, and calibration all come from Terra's rear panel. One system, one control point, one calibration update path. No level matching, no separate bass management processor, no phase guesswork.

System Integration

One rear panel. One system.

Gravity draws power and signal from Terra's rear panel. There is no external amplifier to match, no bass management crossover to configure, no time alignment to guess at. Terra's DSP controls the entire system, the crossover, the calibration, the over-the-air updates. Add Gravity and the system extends. Nothing else changes.

This is not a convenience feature. It is the reason the two behave as one. There is no seam at the crossover because there is no independent system on either side of it.

Performance

30Hz linear. 112dB. ±1.5dB end to end.

The integrated system delivers ±1.5dB frequency response from 30Hz to 30kHz, F6 at 20Hz, and 112dB continuous SPL at 1kHz. Phase coherence is maintained across the full range because the crossover is handled by Terra's DSP, not a separate analog network.

For film, game audio, immersive formats, and rooms where the low end is part of the work, this is the system. For everything else, Terra is already enough.

System Photography

Near-field. Full range.

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What's Included
Active Monitor
Terra
First session. Right decisions.
TypeThree-way active coaxial
Freq. Response±1.5dB, 40Hz–30kHz
Max SPL108dB @ 1kHz
Drivers18cm PuriFi + 18cm TPCD coaxial
AmplificationHypex NcoreX (integrated)
Powers GravityVia rear panel
Full Terra specs →
Passive Subwoofer Pair
Gravity
Terra, complete.
TypePassive, Terra-powered
LF ExtensionF6 at 20Hz (30Hz linear)
Crossover80Hz, zero-phase LR4
Driver26cm PuriFi PTT10.0W96 per unit
ConfigurationSide-firing, 305mm cube
QuantityPair (2 units)
Full Gravity specs →
System Specifications

Terra + Gravity.
Combined performance.

System Performance
Frequency Response±1.5dB, 30Hz–30kHz
LF ExtensionF1 at 30Hz, F6 at 20Hz
Phase Response±15°, 30Hz–30kHz
Max SPL @ 1m112dB @ 1kHz
Max LF SPL @ 1m106dB @ 50Hz
Integration Crossover80Hz, zero-phase LR4 digital
Configuration2.2 stereo
Terra Electronics
DSPADSP-21569 SHARC+
DACAKM AK4493SEQ
AmplificationHypex NcoreX (LF, Mid, HF + Gravity)
ControlWiFi (ESP32), OTA calibration
Terra Drivers
Coaxial Mid/HF18cm custom TPCD, 3rd gen
Low Frequency18cm PuriFi PTT6.5W96-08
Internal crossovers200Hz and 2kHz zero-phase LR4
Gravity Subwoofer
Driver (per unit)26cm PuriFi PTT10.0W96-08
ElectronicsPassive, Terra-powered
Dimensions305 x 215 x 305mm, 20.4kg per unit
Mounting200x200 VESA (M6)
Connectivity
Analog InputXLR balanced
Digital InputAES/EBU
Network (optional)Dante Pro S1
Get the System

Near-field reference monitoring.
Full range foundation.

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