Updated 6 May 2026
| Brand | G4M |
| Category | Musical Instruments |
| Available at | 1 UK stores |
| 90-day avg | £394.98 |
G4M
G4M GA-100H Amp + 4x12" Cabinet Stack
£394.98Fair Price
Cheapest at Gear4music · 1 store
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PRICE HISTORY
Current
£376
Change
+15.9%
Avg
£356
Low
£324
High
£388
Volatility
4.8%
PRODUCT DESCRIPTION
- Two-Channel Design One of the key features of the G4M-100H amplifier is its two-channel design. It offers independent "clean" and "drive" channels making it easy to switch between a clean warm sound and a more aggressive distorted tone. The channel selector switch on the front panel makes it simple to toggle between these two modes allowing you to easily create the perfect sound for any musical genre. The amplifier also features a global boost function that introduces additional gain perfect for heavier and near-break-up tones. Absolute Tonal Control With pre-determined equalisation points musicians can fine-tune their tone to suit their musical style and preferences. The EQ also proves useful in helping to correct tonal imbalances in the guitar signal compensating for the inherent characteristics of different guitars pickups and speakers. This can result in a more balanced and polished sound both in practice and in live performances or recordings. Play-along with your Favourite Songs The aux-in channel of the GA-100H amplifier is a valuable asset for musicians. By linking your smartphone tablet or other devices to the amplifier via a 3.5mm jack cable you can stream music through its speakers. This feature allows for a more engaging and enjoyable practice session as it enables you to practice your instrument while listening to backing tracks or your preferred songs. Footswitch Control Grants Remote Access With a footswitch (not included) you can seamlessly switch between different channels on the amplifier allowing you to transition between clean crunch and lead tones without having to manually adjust controls on the amp. This can be especially useful in live performances where quick changes in tone are required. Additionally a footswitch can also allow you to remotely engage or disengage the reverb effect on your amplifier adding an extra layer of flexibility to your sound. Handy FX Loop The G4M GA-100H Guitar Amplifier is equipped with an FX loop that allows you to add external pedals to your sound. This feature is especially useful for guitarists who want to expand their sound beyond the amplifiers built-in effects. By connecting pedals through the FX loop you can maintain the integrity of your signal chain and prevent any loss of tone or volume. Practice in Silence The GA-100H amplifiers headphone output is a practical feature for musicians who wish to practice quietly without interrupting others. By plugging headphones into the amplifiers headphone output the speaker is automatically muted providing you with the ability to play silently. This feature is especially beneficial for individuals who practice during the early hours or late at night or for those who live in communal areas. Specifications G4M GA-100H Guitar Amp Head Inputs 1/4" Jack Guitar Input 1/4" Jack Foot Switch Input 3.5mm Aux Input Effects Return 1/4" Jack Output 3.5mm Headphone Output Effects Send 1/4" Jack Power Power Input: 220-240V AC 50/60Hz Max Power Output: 100W @8&Omega
- 120W @4&Omega
- Max Power Consumption: 120W Fuse: T2AL 250V Misc Material: MDF Dimensions: 450 x 230 x 200mm (W x H x D) Weight: 8kg G4M 4 x 12" Guitar Cabinet Dimensions: 770 x 370 x 780mm Material: MDF Speaker: 4x12" Impedance: 4&Omega
- /8&Omega
- /16&Omega
- Power Rating: 240W With a strong commitment to delivering an exceptional user experience G4M offers a broad range of premium spec high-quality instruments and technology across guitar keys live and studio categories.