Gr Bass GR 112H+-4 BLK BLACK
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Information
Information
Manufacturer Information
Gr Bass
https://www.grbass.com
info@grbass.com
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IMS Distribution
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Historical Context and Positioning in the Range
The GR BASS GR 112H+-4 BLK Black belongs to the long-standing tradition of 1x12 speaker cabinets, a format that has become essential for bassists seeking an excellent compromise between portability and sound presence. This type of configuration is often chosen as the main cabinet for small to medium gigs or as an ideal extension to gain fullness while remaining easy to transport.
In a modern setup, this cabinet positions itself as a versatile solution: compact enough to keep up with rehearsal schedules, and robust enough to support more demanding performances, especially if you are looking for a lightweight and efficient stack.
Who This Amplifier Is For
This speaker cabinet is aimed at bassists from beginner to advanced level who want a reliable, coherent, and user-friendly system for everyday use. Its format makes it relevant in studio settings (to capture a clean and controlled low end), in rehearsals (thanks to clear projection), and on stage whenever the overall sound is supported by a front of house system or when you use this cabinet as a powerful personal monitor.
Regarding styles, the 12-inch + tweeter combination suits both clean and articulate sounds (funk, pop, gospel, fusion) as well as denser genres (rock, alternative, metal), where a solid low-end foundation and sufficient definition to maintain note clarity are appreciated.
Features and Innovations
The GR 112H+-4 BLK focuses on a simple and musical configuration: a 12-inch woofer for the sound foundation and an adjustable 1-inch tweeter to precisely control brightness. This is a key point to adapt the cabinet to your playing style and instrument: more tweeter to highlight pick attacks and harmonics, less tweeter for a rounder, vintage tone.
The front-facing bass reflex design promotes direct and controlled sound dispersion. In many situations (small stages, tight rooms), this helps keep the low frequencies present without relying solely on room resonances. The specified sensitivity, combined with high power handling, allows achieving a substantial volume level without unnecessarily pushing your amplifier head.
Sound Character
With its 1x12 architecture, this cabinet aims for a balanced sound: deep lows, useful low-mids to "hold" the band together, and a response fast enough to stay precise on technical passages. The stated frequency response (38 Hz to 22 kHz ) emphasizes the goal of covering both fundamentals and definition, especially thanks to the tweeter.
The final character will depend greatly on your amplifier head, EQ settings, and the amount of treble you allow through the tweeter. In practice, you can go from a round and mellow sound (reduced tweeter) to a more modern and cutting signature (more prominent tweeter), useful for slap, bright clean tones, or overdriven sounds where articulation is important.
Technical specifications
| Category | Bass cabinet |
| Cabinet impedance (Ω) | 4 Ω |
| Speaker diameter | 12" |
| Number of speakers | 2 |
| Color | Black |
| Finishing | Black tolex |
| Power output | 450 W |
| Power handling | 450W RMS |
| Sensitivity | 98 dB SPL |
| Frequency response | 38 Hz - 22 kHz |
| Woofer | 1 x 12 inches |
| Tweeter | 1 x 1-inch adjustable |
| Load type | bass reflex |
| Bass reflex port | front-facing |
| Impedance | 4 Ohms |
| Dimensions (W x H x D) | 39 x 51 x 35 cm |
| Weight | 12.8 kg |
| Color / finish | Black |
| Power supply | 220v |
Questions frequently asked
Which amp head should be used with the GR Bass GR 112H+-4 BLK?
The 4 Ω impedance requires the use of an amp output compatible with 4 ohms. The cabinet supports a rated power of 450 W.
Is the tweeter on the GR 112H+-4 cabinet adjustable?
A 1-inch adjustable tweeter allows controlling the brightness of the sound. A more prominent setting emphasizes attacks and harmonics, while a reduced setting provides a rounder tone.
What sound does this 1x12 bass cabinet produce?
The configuration includes a 12-inch woofer and covers a frequency response of 38 Hz to 22 kHz. The front bass reflex contributes to a direct bass projection. The sensitivity is rated at 98 dB SPL, supporting a substantial sound level.
Is this 1x12 cabinet easy to transport?
Weighing 12.8 kg with dimensions of 39 x 51 x 35 cm, this format remains suitable for rehearsals and gigs requiring limited space.
What finish does the GR Bass GR 112H+-4 BLK Black have?
The finish is a black tolex covering.



