The Prolific Series Model # 004, the flagship of the Prolific Series, is the go-to PA for large events and festivals in Northern California. It pairs a rugged build and flexible effects with unmatched high output.
Model 004 Specs:
2X Peavey dual 15'“ Passive top mains , 1400 Watts @ 4 ohms each (+1 extra for backup)
2X 18” Passive Sub boxes, 900 Watts @ 8 ohms each
4X 12” stage monitors, 250 Watts @ 8 ohms each
100’ 16 channel stage XLR snake, Mackie 16 Channel 1604 Mixer
Power Amp Rack with Bi-Amped Class AB amplifiers
Vocal and instrument mics, speaker/mic stands, DIs, and cabling included
Accommodate DI inputs from Synths, Pedals, Drum Modules, Samplers and more
External FX processing for Drums and vocals via Vintage Digital effects components
Centrally powered via GS-Link (a components settings matrix that gives every featured GAM Systems build the signature Humboldt-era GAM sound. Battle-tested components are programmed with these settings before leaving the shop floor. To ensure each build keeps its ideal tone, the settings matrix is in the “about” section for reference)
Want to take your show and sound to the next level? Chosen as a flagship line for GAM Systems builds and used for many larger events in the Nor-Cal area, the Prolific Series in essence is a mobile "80's metal club system" assembled in the modern day, times that consist of powered speaker arrays and digital boards. Supporting up to 4 separate monitor mixes, the Prolific Series combines powerful output yield with flexible tone shaping controls/FX.
Booking Price: $400 per day (includes sound service). To book, fill out the next section and send payment via one of the options following the link below. We will follow up shortly with a confirmation email and text.
The Turbo was the first larger scale PA concept by GAM, assembled from 2017 until 2020. This build was a flagship PA used at the time for large events in Northern California. It was later replaced by variants of what would become the Sentinel series G-System and Prolific Series Model 004 after 2021. Though having gone through constant upgrades in its early stages, Turbo was cemented as the first Prolific series build, and would receive better amplifiers and more processing components in the early 2020s.
Turbo Specs:
2X Turbosound dual 15“ Passive top mains , 2000 Peak Watts @ 4 ohms each
2X B52 18” Passive Subs, 1000 Peak watts @ 8 ohms each
2X 15” Stage monitors, 350 Watts @ 8 ohms each
2X 12” Stage monitors, 250 Watts @ 8 ohms each
100’ 16 channel stage XLR snake, Mackie 16 Channel 1604 Mixer
Power Amplifier Racks:
Rack 1: 4X Crown CE2000
Rack 2: 1X Crown CE1000, 1X Crown UT1010
Vocal and instrument mics, speaker/mic stands, DIs, and cabling included
Accommodate DI inputs from Synths, Pedals, Drum Modules, Samplers and more
External FX processing for Drums and vocals via Vintage Digital effects components
Centrally powered via GS-Link (a components settings matrix that gives every featured GAM Systems build the signature Humboldt-era GAM sound. Battle-tested components are programmed with these settings before leaving the shop floor. To ensure each build keeps its ideal tone, the settings matrix is in the “about” section for reference)
Want to take your show and sound to the next level? Chosen as a flagship line for GAM Systems builds and used for many larger events in the Nor-Cal area, the Prolific Series in essence is a mobile "80's metal club system" assembled in the modern day, times that consist of powered speaker arrays and digital boards. Supporting up to 4 separate monitor mixes, the Prolific Series combines powerful output yield with flexible tone shaping controls/FX.
Booking Price: $400 per day (includes sound service). To book, fill out the next section and send payment via one of the options following the link below. We will follow up shortly with a confirmation email and text.
The Prolific Series Model 003 is a high‑output system for large clubs, outdoor festivals, gyms, and other big venues. With vintage digital effects and EQ, it excels at clubs and metal shows. It offers up to 16 channels, 4 monitor mixes, and classic power amps from Crest Audio and Crown.
Vocal and instrument mics, speaker/mic stands, DIs, and cabling included
Accommodate DI inputs from Synths, Pedals, Drum Modules, Samplers and more
External FX processing for Drums and vocals via Vintage Digital effects components
Centrally powered via GS-Link (a components settings matrix that gives every featured GAM Systems build the signature Humboldt-era GAM sound. Battle-tested components are programmed with these settings before leaving the shop floor. To ensure each build keeps its ideal tone, the settings matrix is in the “about” section for reference)
Want to take your show and sound to the next level? Chosen as a flagship line for GAM Systems builds and used for many larger events in the Nor-Cal area, the Prolific Series in essence is a mobile "80's metal club system" assembled in the modern day, times that consist of powered speaker arrays and digital boards. Supporting up to 4 separate monitor mixes, the Prolific Series combines powerful output yield with flexible tone shaping controls/FX.
Booking Price: $400 per day (includes sound service). To book, fill out the next section and send payment via one of the options following the link below. We will follow up shortly with a confirmation email and text.
Introduced in 2024, The Shadow is a more advanced build prototype that was assembled to match the output yield of the G-system and other Sentinel builds and to meet the load in demands at frequent shows. It’s light weight and self powered design swiftly proved useful as it takes the stages in Humboldt county and beyond, all while fitting in the back of an SUV.
In summer 2026, the Mackie 1604 was replaced with a Mackie Onyx 1640, and a more compact rack was added to store the stage snake, processors, and amplifiers, further providing sonic flexibility and convenience.
The Shadow 2.0:
2X Mackie 15'“ Powered top mains , 1400 Peak Watts @ 8 ohms each
1X 18” Powered Sub, 300 Watts @ 8 ohms
3X 12” stage monitors (2x passive, 1x powered) 200 Watts @ 8 ohms each
100’ 16 channel stage XLR snake, Mackie Onyx1640 16 Channel Mixer
Vocal and instrument mics, speaker/mic stands, DIs, and cabling included
Accommodate DI inputs from Synths, Pedals, Drum Modules, Samplers and more
External FX processing for Drums and vocals via Vintage Digital effects components
Centrally powered via GS-Link (a components settings matrix that gives every featured GAM Systems build the signature Humboldt-era GAM sound. Battle-tested components are programmed with these settings before leaving the shop floor. To ensure each build keeps its ideal tone, the settings matrix is in the “about” section for reference)
Want to take your show and sound to the next level? Chosen as a flagship line for GAM Systems builds and used for many events in the Nor-Cal area, the Sentinel Series in essence is a mobile "80's metal club system" assembled in the modern day, times that consist of powered speaker arrays and digital boards. Supporting up to 4 separate monitor mixes, the Sentinel Series combines powerful output yield with flexible tone shaping controls/FX and will fit into the back of a truck or van.
Booking Price: $200 per day (includes sound service). To book, fill out the next section and send payment via one of the options following the link below. We will follow up shortly with a confirmation email and text.
Originally a Prolific Series build, smaller G-System variants became the go-to PA for Metal Monday at Savage Henry from 2022–2024 and for events through 2022–2025 (including Metal4Marcos, Redwood Metal Fest 8 & 9, and several Eureka Vet’s Hall shows). After proving effective as a midsize PA at frequent Savage Henry shows, it was labeled the first Sentinel Series build, then replaced by a more advanced Sentinel prototype in 2024.
The G-System:
2X Yamaha 15” Passive top mains , 400 Watts @8 ohms each (+1 extra for backup)
2X 15” Passive Sub boxes, 400 Watts @ 8 ohms each
3X Passive Stage Monitors, (x2 12”, 200 Watts @ 8 ohms, x1 15”, 400 Watts @ 8 ohms)
100’ 16 channel stage XLR snake, Mackie 16 Channel 1604 Mixer
Power Amp Rack with Bi-Amped Class AB amplifiers
American Audio VLP1500 (Top Mains) 500 Watts RMS @ 8 ohms per channel
American DJ V2000 (bridged) - Subs - 1200 Peak Watts at 4 ohms bridged
Nady XA300 (Monitors 1-2) 120 Watts RMS @ 8 ohms per channel
QSC RMX 850 (bridged) - Drum Monitor - 600 Peak Watts @ 8 ohms bridged
Vocal and instrument mics, speaker/mic stands, DIs, and cabling included
Accommodate DI inputs from Synths, Pedals, Drum Modules, Samplers and more
External FX processing for Drums and vocals via Vintage Digital effects components
Centrally powered via GS-Link (a components settings matrix that gives every featured GAM Systems build the signature Humboldt-era GAM sound. Battle-tested components are programmed with these settings before leaving the shop floor. To ensure each build keeps its ideal tone, the settings matrix is in the “about” section for reference)
Want to take your show and sound to the next level? Chosen as a flagship line for GAM Systems builds and used for many events in the Nor-Cal area, the Sentinel Series in essence is a mobile "80's metal club system" assembled in the modern day, times that consist of powered speaker arrays and digital boards. Supporting up to 4 separate monitor mixes, the Sentinel Series combines powerful output yield with flexible tone shaping controls/FX and will fit into the back of a truck or van.
Rental Price: $200 per day (includes sound service). To book, fill out the next section and send payment via one of the options following the link below. We will follow up shortly with a confirmation email and text.
Built for medium DIY events, the Defender Series is a simpler, compact version of the Sentinel line. It has main speakers only (no subwoofer), yet still delivers high output, vocal effects, and two monitor mixes. Each Defender PA includes mics, stands, and cables — a reliable choice for last-minute live sound.
Booking Price: $150 per day/event. To book, fill out the next section and send payment via one of the options following the link below. We will follow up shortly with a confirmation email and text.
The Crusader Series is a high-output, large PA system build line, for festivals and permanent venues like auditoriums, large stages, clubs, gymnasiums, big churches, music halls, stadiums and schools.
The Crusader Series 01 rents only for permanent installations. Three rental plans are available. Fixed Installation rate depends on rental plan, ranging from $200 to $300 per event. To inquire, fill out the form on the “Permanent Installations” tab.
Crusader Series Model 01 Specs:
2X Community CSX 57 dual 15” Passive top mains
2X 1X18” Peavey Passive sub boxes
4X 1X15” Passive Sub boxes with JBL 2226J drivers
2X Community VBS212 sub extension boxes
2X Peavey SP2G 15” side fills
4X 15” Yamaha stage monitors
100’ 24 channel stage XLR snake
SoundCraft Series II 24 channel - 8 bus mixer
2 Processing Racks:
PA System Calibration/Monitoring
Furman Power Conditioner
Rane Mojo MX22 2-Way Crossover
DBX 2231 2 Channel Graphic EQ/Limiter (for top main speakers)
2X Alesis M-EQ230 2 Channel EQs (for monitors)
Furman 4 Channel noise gate (for monitors)
Vocal/Instrument/Drums/Misc.
Furman Power Conditioner
DBX 2231 2 Channel Graphic EQ/Limiter (for vocals 1-2)
DBX 2231 2 Channel Graphic EQ/Limiter (for vocals 3-4)
Rane ME-60 2 Channel Graphic EQ (for kick drums + toms)
Alesis 3630 2 Channel Compressor/Noise Gate (for vocals 1-2)
Alesis 3630 2 Channel Compressor/Noise Gate (for vocals 3-4)
Alesis 3630 2 Channel Compressor/Noise Gate (for kick drums + toms)
Rane PE17 5 band EQ (additional EQ for kick drums)
Alesis QuadraVerb (stereo reverb + delay FX for vocals)
Power Amp Racks with Class AB amplifiers:
QSC MX1500a (in bridged mode for 2X 15” subs stage left)
QSC MX1500a (in bridged mode for 2X 15” subs stage right)
Peavey CS800 (in bridged mode for 18” middle sub 1)
Peavey CS800 (in bridged mode for 18” middle sub 2)
Crown CE2000 (in stereo mode for top main speakers)
Carver PX850 (in stereo mode - lowpass for sub extensions)
Mackie M1200 (in stereo mode for sidefills)
AB International 600LX (in stereo mode for monitors 1-2)
AB International 600LX (in stereo mode for monitors 3-4)
Vocal and instrument mics, mic stands, DI boxes, and cabling included. Instructions + Delivery also available upon request.
Accommodate DI inputs from Synths, Pedals, Drum Modules, Samplers and more
External FX processing for Drums and vocals via Vintage Digital effects components
A more portable sized PA that's quick to set up, simple to use, and fits in your car. Built for medium DIY events, this compact build comes equipped with monitors, mics, stands, cables and an optional sub. A perfect go to for last minute live sound needs.
Rental Price: $60 per day. To rent, fill out the next section and send payment via one of the options following the link below. We will follow up shortly with a confirmation email and text.
A more portable sized PA that's quick to set up, simple to use, and fits in your car. Built for medium DIY events, this compact build comes equipped with monitors, mics, stands, cables and an optional sub. A perfect go to for last minute live sound needs.
Rental Price: $50 per day. To rent, fill out the next section and send payment via one of the options following the link below. We will follow up shortly with a confirmation email and text.
Designed for long-term stationary use, the Sentry Series build line lets venues, clubs, and bars host countless events without the stressful process of loading in and repeatedly setting up a PA system. Covering front of house with a matched set of top main speakers, a dedicated set of subs and an amplifier rack, you simply add a mixer of your choice and you’re ready to go—reliable, consistent, and built for worry-free performance night after night.
S-1000 Specifications:
2X JBL JRX225 2×15” Top Speakers, 500 RMS - 2000 Peak Watts @ 4 ohms each
2X JBL 18” Sub Boxes, 600 Watts each @ 8 ohms
2X Top Amps: QSC RMX2450, 2400 Peak Watts @ 4 ohms bridged, each
1X Sub Amp: MUSYCIC MU-8000, 500 Watts RMS @ 8 ohms per channel
All speaker cables included
All-in-one rack chassis including pre set Crossover and Power Conditioner
Installation guide
*Mixer not included
The Sentry Series rents only for permanent installations. Three rental plans are available for each model. Fixed Installation rate depends on rental plan. To rent, fill out the form on the “Permanent Installations” tab, or the form found in the section below. We will follow up shortly with a confirmation email and text.
Designed for long-term stationary use, the Sentry Series build line lets venues, clubs, and bars host countless events without the stressful process of loading in and repeatedly setting up a PA system. Covering front of house with a matched set of top main speakers, a dedicated set of subs and an amplifier rack, you simply add a mixer of your choice and you’re ready to go—reliable, consistent, and built for worry-free performance night after night.
S-800 Specifications:
2X JBL JRX225 2×15” Top Speakers, 500 RMS - 2000 Peak Watts @ 4 ohms each
2X Community 2×12 Sub boxes, 400 Watts RMS @ 4 ohms each
2X Top Amps: Mackie M1400i, 1400 Watts @ 4 ohms bridged each
1X Sub Amp: QSC RMX1450, 450 Watts @ 4 ohms per channel
All Speaker cables included
All-in-one rack chassis including pre set Crossover and Power Conditioner
Installation guide
*Mixer not included
The Sentry Series rents only for permanent installations. Three rental plans are available for each model. Fixed Installation rate depends on rental plan. To rent, fill out the form on the “Permanent Installations” tab, or the form found in the section below. We will follow up shortly with a confirmation email and text.
Designed for long-term stationary use, the Sentry Series build line lets venues, clubs, and bars host countless events without the stressful process of loading in and repeatedly setting up a PA system. Covering front of house with a matched set of top main speakers, a dedicated set of subs and an amplifier rack, you simply add a mixer of your choice and you’re ready to go—reliable, consistent, and built for worry-free performance night after night.
S-700 Specifications:
2X Yamaha 15” Top Speakers, 400 Watts RMS @ 8 ohms each
2X PAS 18” Sub Boxes, 300 Watts each @ 8 ohms
1X Top Amp: Yamaha P2500S, 275 Watts @ 8 ohms X2
1X Sub Amp: Yamaha P3500S, 390 Watts @ 8 ohms X2
All speaker cables included
All-in-one rack chassis including pre set Crossover and Power Conditioner
Installation guide
*Mixer not included
The Sentry Series rents only for permanent installations. Three rental plans are available for each model. Fixed Installation rate depends on rental plan. To rent, fill out the form on the “Permanent Installations” tab, or the form found in the section below. We will follow up shortly with a confirmation email and text.
Designed for long-term stationary use, the Sentry Series build line lets venues, clubs, and bars host countless events without the stressful process of loading in and repeatedly setting up a PA system. Covering front of house with a matched set of top main speakers, a dedicated set of subs and an amplifier rack, you simply add a mixer of your choice and you’re ready to go—reliable, consistent, and built for worry-free performance night after night.
S-600 Specifications:
2X PAS Top speakers, 250 Watts RMS @ 8 ohms each
2X Peavey SP2G 15” Sub Boxes, 400 Watts RMS @ 8 ohms each
1X Top Amp: Peavey CS800X 350 Watts RMS @ 8 ohms per channel
1X Sub Amp: Peavey CS800X 350 Watts RMS @ 8 ohms per channel
All speaker cables included
All-in-one rack chassis for amps including pre set Crossover and Power Conditioner
Installation guide
*Mixer not included
The Sentry Series rents only for permanent installations. Three rental plans are available for each model. Fixed Installation rate depends on rental plan. To rent, fill out the form on the “Permanent Installations” tab, or the form found in the section below. We will follow up shortly with a confirmation email and text.
Designed for long-term stationary use, the Sentry Series build line lets venues, clubs, and bars host countless events without the stressful process of loading in and repeatedly setting up a PA system. Covering front of house with a matched set of top main speakers, a dedicated set of subs and an amplifier rack, you simply add a mixer of your choice and you’re ready to go—reliable, consistent, and built for worry-free performance night after night.
S-500 Specifications:
2X EV 12” Top speakers, 130 Watts RMS @ 8 ohms each
2X JBL 15” Sub boxes, 300 Watts @ 8 ohms each
1X Top Amp: Peavey CS400, 200 Watts RMS @ 8 ohms per channel
1X Sub Amp: Crown XLS402, 300 Watts RMS @ 8 ohms per channel
2X Speaker Stands
All Speaker cables included
All-in-one rack chassis including pre set Crossover and Power Conditioner
Installation guide
*Mixer not included
The Sentry Series rents only for permanent installations. Three rental plans are available for each model. Fixed Installation rate depends on rental plan. To rent, fill out the form on the “Permanent Installations” tab, or the form found in the section below. We will follow up shortly with a confirmation email and text.
Designed for long-term stationary use, the Sentry Series build line lets venues, clubs, and bars host countless events without the stressful process of loading in and repeatedly setting up a PA system. Covering front of house with a matched set of top main speakers, a dedicated set of subs and an amplifier rack, you simply add a mixer of your choice and you’re ready to go—reliable, consistent, and built for worry-free performance night after night.
S400 Specifications:
2X SoundTech top speakers, 260 Watts RMS @ 8 ohms each
2X JBL 15” Sub boxes, 300 Watts RMS @ 8 ohms each
1X Top Amp: Carver PM300, 100 Watts RMS @ 8hms per channel
1X Sub Amp: Carver PM350, 350 Watts RMS @ 8 ohms per channel
2X Speaker Stands
All Speaker cables included
All-in-one rack chassis for amps including pre set Crossover and Power Conditioner
Installation guide
*Mixer not included
The Sentry Series rents only for permanent installations. Three rental plans are available for each model. Fixed Installation rate depends on rental plan. To rent, fill out the form on the “Permanent Installations” tab, or the form found in the section below. We will follow up shortly with a confirmation email and text.
Designed for long-term stationary use, the Sentry Series build line lets venues, clubs, and bars host countless events without the stressful process of loading in and repeatedly setting up a PA system. Covering front of house with a matched set of top main speakers, a dedicated set of subs and an amplifier rack, you simply add a mixer of your choice and you’re ready to go—reliable, consistent, and built for worry-free performance night after night.
S200 Specifications:
2X Carvin top speakers, 300 Peak Watts @ 8 ohms each
2X Custom 15” sub boxes, 150 Watts RMS each @ 8 ohms each
1X Top Amp: Peavey M2600, 90 watts RMS @ 8 ohms per channel
1X Sub Amp: Peavey M2600, 90 watts RMS @ 8 ohms per channel
2X Speaker Stands
All Speaker cables included
All-in-one rack chassis for amps including pre set Crossover and Power Conditioner
Installation guide
Mixer not included.
Price: $30 per day of event.
The Sentry Series rents only for permanent installations. Three rental plans are available for each model. Fixed Installation rate depends on rental plan. To rent, fill out the form on the “Permanent Installations” tab, or the form found in the section below. We will follow up shortly with a confirmation email and text.
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