AudioFu Chart · October 2026

Best General Power Amps 2026

Q: What's the difference between Class A and Class AB?

Class A amps are incredibly clean and responsive, but inefficient and run hot. Class AB is a compromise - better efficiency while still maintaining good clean headroom and dynamics. Most general-purpose power amps are Class AB.

Q: How much headroom do I really need?

It depends on your application. For a solo acoustic gig, 50-100 watts might be enough. For a loud rock band pushing FRFRs, you'll want at least 200-300 watts, maybe more. Always err on the side of more headroom than you think you need.

Q: Are Class D amps any good for live sound?

They've come a long way. Early Class D amps were often harsh, but modern designs are much improved. Listen carefully for any 'digital' artifacts or lack of warmth. The lightweight and efficiency are undeniable advantages, though.

Q: What does 'damping factor' actually do for my sound?

A higher damping factor gives the amp more control over the speaker cone, resulting in tighter, more defined bass. It prevents the bass from 'ringing' or sounding boomy. It's especially noticeable with larger subwoofers.

Q: My amp is making a humming noise - what's going on?

Ground loops are the usual culprit. Try different power outlets, use a power conditioner, or experiment with lifting the ground on one side of the AC plug (but be careful!). A noisy amp is a sign of poor design or failing components - address it promptly.

The top pick is Crown XLi800 Two-Channel 300-Watt Power Amplifier ($335). Crown XTI 6002 2-Channel 1200w Power Amplifier leads the high end. Ranked by the AudioFu Index from 83 models across 13 brands, prices checked every night.

Last updated: October 11, 2026

83models in this chart

13brands

$559median price

24price drops since Aug

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All General Power Amps

Price

Skill level

Brand

Top 10

Full detail for the 10 highest AudioFu Index scores. Every other model is listed below.

Crown XLi800 Two-Channel 300-Watt Power Amplifier
XLi 800 · Crown
28 for sale on Reverb1 finish at Thomann
- Size19"
- Weight11.4 kg
The XLi 800 is a workhorse amplifier - reliable, clean, and packs a serious punch. It's a solid choice for smaller to mid-sized venues, bands needing dependable power, or anyone wanting a proven, analog solution. Expect plenty of headroom and a robust build quality that’ll last.
Pros
- Robust steel chassis provides excellent physical protection.
- Crown’s Start-up Delay protects speakers from damaging transients.
- High damping factor delivers tight, controlled low-frequency response.
Cons
- Limited input options compared to more modern amps (no digital connectivity).
- Relatively heavy for rack mounting, requiring careful handling and robust racks.
86AudioFu
Index
- Demand98
- Lineup63
- Price69
- Specs100
- Maker84
↓ 6.3%since Aug 14
$357 · Aug 14$335 now

$335€299 at Thomann · in stock
Check price ↗
Crown XTI 2002 2-Channel 2000w Power Amplifier
Xti 2002 · Crown
27 for sale on Reverb1 finish at Thomann
- Size19"
- Weight8.4 kg
The Xti 2002 is a powerhouse amplifier – seriously clean, powerful, and packed with DSP. It's ideal for bands and production companies needing reliable, high-output amplification with advanced routing capabilities, especially where space and weight are a concern. It's a workhorse amp, no question.
Pros
- Crown's Class-D efficiency delivers massive power without excessive heat
- DSP offers incredible routing and EQ flexibility for complex rigs
- HiQnet integration allows for comprehensive system management and monitoring
Cons
- Weight makes transport a real consideration for smaller venues or solo acts
- The extensive DSP menu can be overwhelming for less experienced users
85AudioFu
Index
- Demand97
- Lineup63
- Price68
- Specs100
- Maker84
↓ 6.0%since Aug 14 · lowest so far
$817 · Aug 14$768 now

$768€685 at Thomann · in stock
Check price ↗
Crown XLS1002 Power Amplifier
XLS 1002 · Crown
28 for sale on Reverb1 finish at Thomann
- Size19"
- Weight3.9 kg
The Crown XLS 1002 is a seriously impressive little amp. It delivers a surprising amount of clean power in a compact, lightweight 2U chassis—perfect for smaller bands, DJs, or anyone needing reliable power without the bulk of a traditional rack unit. It’s a great value proposition for portable sound reinforcement.
Pros
- Excellent power density for its size; surprisingly lightweight for the wattage.
- DriveCore Class-D offers clean, efficient power delivery with minimal heat.
- Versatile bridging options expand application possibilities significantly.
Cons
- XLR inputs are a must; jack/RCA feel like an afterthought for professional use.
- While quiet, the fan can become noticeable under sustained high load.
84AudioFu
Index
- Demand98
- Lineup63
- Price61
- Specs100
- Maker84
↓ 3.6%since Aug 14 · lowest so far
$436 · Aug 14$420 now

$420€375 at Thomann · in stock
Check price ↗
Crown XLI 2500 2-Channel 750-Watt Power Amp
XLi 2500 · Crown
20 for sale on Reverb1 finish at Thomann
- Size19"
- Weight13.5 kg
The Crown XLi 2500 is a workhorse amplifier – seriously reliable and powerful. It's a great choice for bands, DJs, or rental companies needing clean, dependable power without the frills. This amp’s a solid foundation for any PA system.
Pros
- Robust build quality; feels like it'll survive a tour bus
- Excellent clean headroom before any distortion creeps in
- High damping factor delivers tight, controlled low-end response
Cons
- Relatively heavy for rack mounting – requires a sturdy setup
- Lacks modern connectivity like Dante or Ethernet
84AudioFu
Index
- Demand89
- Lineup63
- Price86
- Specs100
- Maker84
↓ 11.8%since Aug 14
$615 · Aug 14$542 now

$542€484 at Thomann · in stock
Check price ↗
Crown XLS 1502 2-Channel 525W Power Amplifier
XLS 1502 · Crown
30 for sale on Reverb1 finish at Thomann
- Size19"
- Weight3.9 kg
The Crown XLS 1502 is a solid, reliable workhorse amp perfect for smaller to mid-sized PA systems, bands, and DJs needing clean power without the premium price tag. DriveCore technology keeps things efficient and quiet, and the build quality feels surprisingly robust for its class. It’s a great choice for those prioritizing power and reliability over ultimate finesse.
Pros
- DriveCore 2 tech delivers impressively clean, distortion-free power.
- Neutrik speaker twists ensure secure, reliable speaker connections.
- Compact 2U rack height makes it ideal for tight spaces.
Cons
- Limited headroom compared to higher-end amplifiers in demanding situations.
- While quiet, the fan can be audible under heavy, sustained load.
84AudioFu
Index
- Demand100
- Lineup63
- Price50
- Specs100
- Maker84
Stableno change since Aug 14
Aug 14$559 now

$559€499 at Thomann · in stock
Check price ↗
Crown XLS-2002 2-Channel 650w Power Amplifier
XLS 2002 · Crown
23 for sale on Reverb1 finish at Thomann
- Size19"
- Weight4.9 kg
The Crown XLS 2002 is a solid, efficient workhorse amp perfect for smaller to mid-sized bands, DJs, and rental companies. Its DriveCore tech keeps things cool and quiet, while the multiple amp modes give you flexibility. It's a great balance of power and practicality for the budget-conscious pro.
Pros
- Robust metal chassis provides excellent protection during transport.
- DriveCore Class D efficiency minimizes heat and power consumption.
- Versatile amp modes accommodate diverse system configurations easily.
Cons
- Limited headroom at lower impedances can stress speakers at high volumes.
- The front panel display, while functional, feels somewhat basic.
83AudioFu
Index
- Demand93
- Lineup63
- Price70
- Specs100
- Maker84
↓ 6.5%since Aug 14 · lowest so far
$670 · Aug 14$626 now

$626€559 at Thomann · in stock
Check price ↗
Crown XLi1500 2-Channel 450-Watt Power Amplifier
XLi 1500 · Crown
19 for sale on Reverb1 finish at Thomann
- Size19"
- Weight12.7 kg
The Crown XLi 1500 is a workhorse amp – simple, reliable, and delivers clean power. It's perfect for smaller to mid-sized venues, bands needing dependable amplification, or anyone prioritizing robust performance over fancy digital features. You'll get serious headroom for the price.
Pros
- Robust build quality, typical of Crown's professional lineage
- Excellent signal-to-noise ratio minimizes unwanted hum and noise
- Bridge mode provides substantial power for demanding subwoofers
Cons
- Limited connectivity – only XLR/RCA inputs are available
- Relatively heavy for rack mounting, requiring sturdy infrastructure
81AudioFu
Index
- Demand87
- Lineup63
- Price65
- Specs100
- Maker84
↓ 5.0%since Aug 14 · lowest so far
$425 · Aug 14$403 now

$403€360 at Thomann · in stock
Check price ↗
Crown XTi1002 Two Channel 500-Watt Power Amplifier
Xti 1002 · Crown
19 for sale on Reverb1 finish at Thomann
- Size19"
- Weight8.4 kg
The Crown Xti 1002 is a seriously capable power amp packed with digital signal processing. It's a great choice for sound reinforcement professionals needing precise control over their sound – think touring bands, corporate AV, or installations where tweaking the EQ and timing is crucial. The DSP really shines, giving you a ton of flexibility without needing external processing.
Pros
- Excellent DSP processing provides significant sonic shaping capabilities.
- Crown’s build quality ensures road-worthiness and long-term reliability.
- HiQnet integration simplifies system management and remote control.
Cons
- The sheer number of DSP options can be overwhelming for less experienced users.
- Weight makes transportation and setup a two-person job; expect significant heft.
81AudioFu
Index
- Demand87
- Lineup63
- Price68
- Specs100
- Maker84
↓ 6.0%since Aug 14 · lowest so far
$638 · Aug 14$600 now

$600€535 at Thomann · in stock
Check price ↗
Crown XTI 6002 2-Channel 1200w Power Amplifier
Xti 6002 · Crown
24 for sale on Reverb1 finish at Thomann
- Size19"
- Weight10.9 kg
The Xti 6002 is a powerhouse, plain and simple. This is for serious sound reinforcement – large venues, touring acts, or anyone needing massive clean power and advanced DSP control. It’s a complex piece, but the flexibility and headroom are unmatched for demanding applications.
Pros
- Exceptional DSP processing offers precise sonic tailoring for complex rigs
- Robust build quality; feels like it'll survive a tour bus jostle
- High power output provides headroom for demanding live sound applications
Cons
- Premium-priced, a significant investment for smaller venues or home studios
- Size and weight make transport and setup a two-person job routinely
81AudioFu
Index
- Demand94
- Lineup63
- Price50
- Specs100
- Maker84
Stableno change since Aug 14
Aug 14$2,463 now

$2,463€2,198 at Thomann · in stock
Check price ↗
Crown XLI 3500 2-Channel 1350-Watt Power Amp
XLi 3500 · Crown
19 for sale on Reverb1 finish at Thomann
- Size19"
- Weight19.5 kg
The Crown XLi 3500 is a workhorse amp – a classic for a reason. It's a fantastic choice for bands needing reliable, clean power for mains or subs, particularly in mid-sized venues or larger portable rigs. This amp delivers serious muscle without the frills of newer models.
Pros
- Rock-solid build quality; feels like it’ll withstand a tour.
- Excellent clean power; handles demanding rigs without distortion.
- Impressive headroom; maintains clarity at high volumes.
Cons
- Size and weight make rack mounting a two-person job.
- Limited connectivity; lacks modern digital input options.
80AudioFu
Index
- Demand87
- Lineup63
- Price62
- Specs100
- Maker84
↓ 4.0%since Aug 14 · lowest so far
$1,062 · Aug 14$1,020 now

$1,020€910 at Thomann · in stock
Check price ↗

All 83 general power amps

Sort

Same index, same nightly prices — compact. Colour options of one model share a row. Tap a photo to zoom.

11
Crown XTi 4002 2-Channel 1200W Power AmplifierXti 4002 · Crown

Index 78↓ 2.5%
78
↓ 2.5%$1,245€1,111
$1,245€1,111Check ↗
12
Yamaha PX3 Dual-channel 500-Watt Power AmplifierPX3 · Yamaha

Index 77↓ 7.4%
77
↓ 7.4%$828€739
$828€739Check ↗
13
Crown XLS 2502 2-Channel 775w Power AmplifierXLS 2502 · Crown

Index 76↑ 4.6%
76
↑ 4.6%$761€679
$761€679Check ↗
14
Behringer NX3000DBehringer · 2 finishes

Index 71↓ 20.5%
71
↓ 20.5%$352€314
$352€314Check ↗
15
Avantone Pro CLA-100 100 Watt Power AmplifierCLA-100 · Avantone

Index 71↓ 8.5%
71
↓ 8.5%$624€557
$624€557Check ↗
16
Yamaha PX8 Power AmplifierPX8 · Yamaha

Index 70↓ 3.9%
70
↓ 3.9%$1,075€959
$1,075€959Check ↗
17
Avantone Pro CLA-400 800-Watt Power AmplifierCLA-400 · Avantone

Index 69↓ 8.4%
69
↓ 8.4%$1,467€1,309
$1,467€1,309Check ↗
18
Yamaha PX10 Dual-Channel Power AmplifierPX10 · Yamaha

Index 68↓ 1.7%
68
↓ 1.7%$1,299€1,159
$1,299€1,159Check ↗
19
Behringer NX1000 1000-Watt Class D Power AmplifierNX1000 · Behringer · 2 finishes

Index 67Stable
67
Stable$196€175
$196€175Check ↗
20
Behringer Europower EP2000 2000-Watt Stereo Power AmpEP2000 Europower · Behringer

Index 67↓ 5.4%
67
↓ 5.4%$313€279
$313€279Check ↗
21
Avantone Pro CLA-200 2-Channel Studio Reference AmplifierCLA-200 · Avantone

Index 67↓ 4.1%
67
↓ 4.1%$1,041€929
$1,041€929Check ↗
22
Behringer KM750 750-Watt Stereo Power Amp with ATR Accelerated…KM750 · Behringer

Index 66↓ 3.4%
66
↓ 3.4%$189€169
$189€169Check ↗
23
Behringer Europower EP4000 4000-Watt Stereo Power AmpEP4000 Europower · Behringer

Index 63↓ 7.0%
63
↓ 7.0%$390€348
$390€348Check ↗
24
Behringer NX6000Behringer

Index 63↓ 28.7%
63
↓ 28.7%$398€355
$398€355Check ↗
25
Dynacord L1800FD 2-Channel 950-Watt Power AmplifierL1800FD DSP · Dynacord

Index 61↑ 6.2%
61
↑ 6.2%$1,153€1,029
$1,153€1,029Check ↗
26
LAB Gruppen IPX 4800LAB Gruppen

Index 60↓ 11.2%
60
↓ 11.2%$1,859€1,659
$1,859€1,659Check ↗
27
Behringer KM1700 Professional 1700-Watt Stereo Power AmplifierKM1700 · Behringer

Index 59↓ 5.6%
59
↓ 5.6%$263€235
$263€235Check ↗
28
the t.amp S-75 MK IIthe t.amp

Index 57Stable
57
Stable$145€129
$145€129Check ↗
29
the t.amp E-400the t.amp

Index 57Stable
57
Stable$156€139
$156€139Check ↗
30
Behringer Europower EPQ304 300-Watt 4-Channel Power AmpEPQ304 Europower · Behringer

Index 57Stable
57
Stable$164€146
$164€146Check ↗
31
the t.amp S-150 MK IIthe t.amp

Index 57Stable
57
Stable$201€179
$201€179Check ↗
32
the t.amp E-800the t.amp

Index 57Stable
57
Stable$212€189
$212€189Check ↗
33
the t.amp E-1200the t.amp

Index 57Stable
57
Stable$279€249
$279€249Check ↗
34
the t.amp E4-130the t.amp

Index 57Stable
57
Stable$279€249
$279€249Check ↗
35
the t.amp E-1500the t.amp

Index 57Stable
57
Stable$324€289
$324€289Check ↗
36
the t.amp TA 1050 MK-Xthe t.amp

Index 57Stable
57
Stable$324€289
$324€289Check ↗
37
the t.amp E4-250the t.amp

Index 57Stable
57
Stable$334€298
$334€298Check ↗
38
the t.amp TSA 1400the t.amp

Index 57Stable
57
Stable$334€298
$334€298Check ↗
39
the t.amp TA 1400 MK-Xthe t.amp

Index 57Stable
57
Stable$373€333
$373€333Check ↗
40
the t.amp TSA 4-300the t.amp

Index 57Stable
57
Stable$380€339
$380€339Check ↗
41
the t.amp TSA 2200the t.amp

Index 57Stable
57
Stable$391€349
$391€349Check ↗
42
the t.amp TA 2400 MK-Xthe t.amp

Index 57Stable
57
Stable$425€379
$425€379Check ↗
43
the t.amp D4-500the t.amp

Index 57Stable
57
Stable$446€398
$446€398Check ↗
44
the t.amp TSA 4-700the t.amp

Index 57Stable
57
Stable$446€398
$446€398Check ↗
45
the t.amp Quadro 500 DSPthe t.amp

Index 57Stable
57
Stable$649€579
$649€579Check ↗
46
Behringer NX4-6000Behringer

Index 56Stable
56
Stable$536€478
$536€478Check ↗
47
LAB Gruppen IPX 2400LAB Gruppen

Index 54Stable
54
Stable$1,455€1,298
$1,455€1,298Check ↗
48
Dynacord L3600FD 1800 Watt Power AmplifierL3600FD DSP · Dynacord

Index 53↑ 7.6%
53
↑ 7.6%$1,893€1,689
$1,893€1,689Check ↗
49
Behringer A800 2-Channel Reference Power AmplifierA800 · Behringer

Index 52Stable
52
Stable$198€177
$198€177Check ↗
50
Dynacord SL1800Dynacord

Index 52↑ 7.6%
52
↑ 7.6%$1,176€1,049
$1,176€1,049Check ↗
51
Dynacord SL 900Dynacord

Index 51↑ 9.5%
51
↑ 9.5%$894€798
$894€798Check ↗
52
Dynacord SL1200Dynacord

Index 51↑ 8.9%
51
↑ 8.9%$974€869
$974€869Check ↗
53
Dynacord SL2400Dynacord

Index 51↑ 8.5%
51
↑ 8.5%$1,444€1,289
$1,444€1,289Check ↗
54
Seeburg Acoustic Line S 3Seeburg Acoustic Line

Index 51↑ 1.2%
51
↑ 1.2%$3,911€3,490
$3,911€3,490Check ↗
55
Seeburg Acoustic Line S 5Seeburg Acoustic Line

Index 51↑ 1.5%
51
↑ 1.5%$4,650€4,150
$4,650€4,150Check ↗
56
Seeburg Acoustic Line S 10Seeburg Acoustic Line

Index 51↑ 1.2%
51
↑ 1.2%$5,547€4,950
$5,547€4,950Check ↗
57
the t.amp S-100 MK IIthe t.amp

Index 50Stable
50
Stable$167€149
$167€149Check ↗
58
the t.amp TSA 4000the t.amp

Index 50Stable
50
Stable$514€459
$514€459Check ↗
59
the t.amp Proline 3000the t.amp

Index 50Stable
50
Stable$761€679
$761€679Check ↗
60
LAB Gruppen IPX 1200LAB Gruppen

Index 49↑ 11.2%
49
↑ 11.2%$891€795
$891€795Check ↗
61
LD Systems Curv 500 IAMPLD Systems

Index 49Stable
49
Stable$1,176€1,049
$1,176€1,049Check ↗
62
Behringer KM400Behringer

Index 48Stable
48
Stable$212€189
$212€189Check ↗
63
Dynacord U120:1 power amplifierDynacord

Index 48Stable
48
Stable$487€435
$487€435Check ↗
64
Dynacord U240:1 power amplifierDynacord

Index 48Stable
48
Stable$555€495
$555€495Check ↗
65
Dynacord L2800FD-US 280-Watt Power AmplifierL2800FD DSP · Dynacord

Index 48↑ 9.1%
48
↑ 9.1%$1,400€1,249
$1,400€1,249Check ↗
66
Crown DCi 2 1250NCrown

Index 48Stable
48
Stable$4,768€4,255
$4,768€4,255Check ↗
67
Dynacord TGX10Dynacord

Index 48Stable
48
Stable$11,205€9,999
$11,205€9,999Check ↗
68
LAB Gruppen PD3000LAB Gruppen

Index 47Stable
47
Stable$611€545
$611€545Check ↗
69
LAB Gruppen PDX3000LAB Gruppen

Index 47Stable
47
Stable$670€598
$670€598Check ↗
70
LAB Gruppen FP 14000LAB Gruppen

Index 47Stable
47
Stable$3,248€2,898
$3,248€2,898Check ↗
71
LAB Gruppen FP 10000QLAB Gruppen

Index 47Stable
47
Stable$3,271€2,919
$3,271€2,919Check ↗
72
LAB Gruppen PLM 12K44 SPLAB Gruppen

Index 47Stable
47
Stable$7,842€6,998
$7,842€6,998Check ↗
73
LAB Gruppen PLM 20K44 SPLAB Gruppen

Index 47Stable
47
Stable$10,074€8,990
$10,074€8,990Check ↗
74
Dynacord TGX20Dynacord

Index 45↑ 5.3%
45
↑ 5.3%$17,694€15,790
$17,694€15,790Check ↗
75
Auratone 5C Super SoundCubes Pair with A2-30 AmplifierA2-30 · Auratone

Index 44↓ 3.1%
44
↓ 3.1%$390€348
$390€348Check ↗
76
DAP-Audio SI 4-900DAP-Audio

Index 44↓ 1.5%
44
↓ 1.5%$716€639
$716€639Check ↗
77
DAP-Audio Qi-4600DAP-Audio

Index 43↓ 0.8%
43
↓ 0.8%$537€479
$537€479Check ↗
78
Dynacord L1300FD DSPDynacord

Index 43↑ 10.7%
43
↑ 10.7%$929€829
$929€829Check ↗
79
the t.amp PM40Cthe t.amp

Index 42Stable
42
Stable$89€79
$89€79Check ↗
80
the t.amp TA50the t.amp

Index 42Stable
42
Stable$95€85
$95€85Check ↗
81
Benchmark AHB2 BlackBenchmark

Index 42Stable
42
Stable$4,705€4,199
$4,705€4,199Check ↗
82
Behringer KM3600QBehringer

Index 41Stable
41
Stable$481€429
$481€429Check ↗
83
TW AUDiO SYSRACK-TGX10TW AUDiO

Index 36↑ 12.2%
36
↑ 12.2%$13,436€11,990
$13,436€11,990Check ↗

General Power Amps by the numbers

Measured across all 85 models we track, not a sample.

Price distribution

Median $559 — half of all general power amps here cost less.

<$100$100–400$400–1.5k$1.5k–7.5k$7.5k+

Weight8.6 kg

median of 81 models · 3.3 kg–19.5 kg

Size19"

median of 59 models · 4.3"–19"

How to choose the best general power amps

Power Output (Watts RMS)

This is obvious, but consider continuous power. Don't just look at peak wattage; RMS is what matters for sustained volume and headroom. Think about the total wattage your speakers can handle before distortion - you need headroom above that.

Frequency Response

A wider, flatter frequency response is generally better, especially if you're using a full-range PA system. A severely rolled-off low end will leave you sounding thin, while an overly boosted midrange can get muddy quickly.

Damping Factor

A higher damping factor (typically 200 or higher) means the amp has better control over your speakers, leading to tighter low-end response and less 'boomy' bass. It's especially important with larger cabinets.

Signal-to-Noise Ratio (SNR)

A higher SNR means less hiss and noise. This is critical for clean amplification, especially when recording or playing quieter passages. A noisy amp just adds unwanted sonic clutter.

Bias Class (A, AB, B, D)

Class A amps offer the cleanest, most dynamic response, but are inefficient. Class AB is a good compromise, while Class B is less common. Class D (switching amps) are efficient and lightweight, but can sometimes exhibit a 'harsh' or 'digital' quality - listen carefully.

Buying guide

So, you need a power amp. It's more than just 'loud' - it's the foundation of your sound, whether you're driving FRFR speakers for your solo act, pushing a 4x10 for rehearsals, or sending clean headroom to your recording rig. Getting the right power amp is about more than wattage; it's about how that power feels, how it interacts with your speakers, and whether it'll survive a few years of gigging. Let's break down what to look for, because a bad power amp is a tone killer, plain and simple.

Don't chase wattage alone. A 200-watt amp that sounds terrible is worse than a 100-watt amp that delivers a clean, powerful signal. Cheap amps often cut corners on components, leading to increased noise, unreliable performance, and a limited lifespan.

Spending a little more on a reputable brand with a solid reputation for reliability is almost always worth it - you're buying peace of mind and consistent tone, not just raw power.

How the AudioFu Index works

Five measured signals and nothing else — no stars from strangers, no “tested by experts” we didn’t do. The weights are fixed and public. We don’t play these instruments; we measure the market around them.

This chart covers 85 general power amps from the Thomann catalogue. Before you buy, read hands-on reviews and, where you can, play it. Full methodology.

AudioFu earns a commission when you buy through our Thomann links. It never changes the order — the index does.

Demand40%
How many of this exact model are for sale on Reverb right now — what musicians actually buy and resell.
Lineup20%
How many finishes Thomann stocks — makers expand the models that sell.
Price15%
Where the price has moved since we started tracking in August.
Specs15%
How completely the maker documents it.
Maker10%
How deep the brand’s range is in this category.

Questions

What's the difference between Class A and Class AB?

Class A amps are incredibly clean and responsive, but inefficient and run hot. Class AB is a compromise - better efficiency while still maintaining good clean headroom and dynamics. Most general-purpose power amps are Class AB.

How much headroom do I really need?

It depends on your application. For a solo acoustic gig, 50-100 watts might be enough. For a loud rock band pushing FRFRs, you'll want at least 200-300 watts, maybe more. Always err on the side of more headroom than you think you need.

Are Class D amps any good for live sound?

They've come a long way. Early Class D amps were often harsh, but modern designs are much improved. Listen carefully for any 'digital' artifacts or lack of warmth. The lightweight and efficiency are undeniable advantages, though.

What does 'damping factor' actually do for my sound?

A higher damping factor gives the amp more control over the speaker cone, resulting in tighter, more defined bass. It prevents the bass from 'ringing' or sounding boomy. It's especially noticeable with larger subwoofers.

My amp is making a humming noise - what's going on?

Ground loops are the usual culprit. Try different power outlets, use a power conditioner, or experiment with lifting the ground on one side of the AC plug (but be careful!). A noisy amp is a sign of poor design or failing components - address it promptly.