Front-panel details
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Source controllers
GP-3000
Bring your sources together.
Switch four line sources or Bluetooth 5.0 and create a dedicated subwoofer feed.
$1,649.00
- Inputs
- Four stereo line sources + Bluetooth 5.0
- Gain
- Unity
- Switching
- Sealed replaceable relays
Every connection has a purpose
The right source. The right signal.
Select among four stereo line-level sources and Bluetooth 5.0, with main-level control and a separately adjustable subwoofer output.
RCA and balanced XLR connections accommodate wired sources. Source 4 connects at the front panel for easy access. Sealed, replaceable relays perform source switching; the subwoofer output has level and phase controls, with internal crossover settings.
A ground-lift switch is provided for the main balanced output. The 19-inch rack chassis includes handles.
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G Pulse Linear
GP-3000
Switch four line sources or Bluetooth 5.0 and create a dedicated subwoofer feed.
Manufacturer-supplied specifications- Inputs
- Four stereo line sources + Bluetooth 5.0
- Gain
- Unity
- Switching
- Sealed replaceable relays
- Subwoofer
- Level and phase control
- Frequency response
- Below 5 Hz to over 100 kHz, flat
- Ground lift
- Main line output
- Supply options
- 120V / 220 VAC
- RF filtering
- RF noise filtered
- Format
- 19" rack mount with handles
- Input connections
- Four stereo line sources, with balanced XLR and RCA connections, plus Bluetooth 5.0. Source 4 connects at the front panel.
- Output connections
- 1 line output balanced and unbalanced; 1 sub line output balanced and 2 unbalanced
- Subwoofer filter
- Low-pass steep filter, 5 - 100 Hz
- Fuse
- 2 A FB
Compare system roles
Explore how these G Pulse components differ. Some serve different positions in your system.
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| Feature | G PULSE LINEARGP-3000Source controllers | G PULSE LINEARGP-2000Preamplifiers | G PULSE LINEARGP-LPSUBFilters & signal processors |
|---|---|---|---|
| System role | GP-3000 Audiophile Source Controller and Sub-Sonic Signal Generator | GP-2000 Full Feature Audiophile Preamplifier | GP-LPSUB Subwoofer Signal Generator |
| Inputs | Four stereo line sources + Bluetooth 5.0 | Not listed | Not listed |
| Gain | Unity | Not listed | Not listed |
| Switching | Sealed replaceable relays | Not listed | Not listed |
| Subwoofer | Level and phase control | Not listed | Not listed |
| Channels | Not listed | Five | Not listed |
| Chassis | Not listed | 19-inch rack mount | Not listed |
| Connections | Not listed | Balanced XLR and RCA | Not listed |
| Tone controls | Not listed | Separate bass and treble for each channel, with dedicated turnover frequencies | Not listed |
| Low-pass filter | Not listed | Not listed | Below 30 Hz |
| DC | Not listed | Not listed | Blocked |
| Outputs | Not listed | Not listed | Balanced XLR and RCA sub outputs |
| Ground lift | Not listed | Not listed | Included |
G Pulse published specifications, last reviewed October 21, 2026. These models hold different positions in a system, so the rows compare features rather than rank performance. “Not listed” means the supplied sheet for that model does not document the feature. Component-level figures are excluded from unit-level comparisons.
SourcesG Pulse catalogue and supplied model specifications.GP-2000 product pageGP-LPSUB product page
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