Gianfranco Rizzi, an engineer and passionate musician, is the creator of the GR Bass heads, combos, cabinets, and preamps. GR Bass's amps impress with their purist (sound) design and fast, punchy sound. The straightforward, honest sound and Italian craftsmanship stand out. Any bassist looking for a compact, powerful amplifier that doesn't distort the pure sound of their instrument will find GR Bass Amps hard to resist. The ONE 1400 Bass Head is a full-fledged, versatile, and compact bass amplifier!
Specifications:
Internal power supply for external devices (barrel connector, 9V, center negative polarity)
Construction: Class D
700 watts at 4 ohms for each channel, two power amplifiers
Independent volume control per channel
The Pure switch allows you to turn off the filter and equalizer for a completely neutral sound
Precise tuner mode, which is always active in "Mute" mode
The Aux-In allows you to connect an external audio source (e.g., tablet, smartphone)
Channels: 2
EQ: 4-band EQ with semi-parametric midrange
Connectors: Speakon
Insert path: Serial
Dimensions (W x H x D): 31 x 19 x 5 cm
Weight: 2.85 kg
DI-Out: Yes
Line Out Pre/Post EQ switch
Headphone output with separate volume control
Country of manufacture: Italy
.png "GR Bass ONE 1400 *OUTA BASS 2026*")
.png "Preview: GR Bass ONE 1400 *OUTA BASS 2026*")
.png "GR Bass ONE 1400 *OUTA BASS 2026*")
