AudioFu Chart · October 2026

Best General Power Amps for Advanced 2026

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

Class A amps are super efficient and offer incredible clarity, but they generate a lot of heat and are typically lower wattage. Class AB is a compromise - better efficiency and more power, while still maintaining decent sound quality. Most serious pro amps are Class AB.

Q: Can I use a power amp with direct recording?

Absolutely! But you'll need a preamp to provide the signal. Some power amps have built-in preamps, but those are often more limited in their tone shaping capabilities.

Q: My amp hums when I plug it in. What's going on?

That's usually a ground loop issue. Try different outlets, a power conditioner, or a hum eliminator. It could also indicate a faulty component within the amp itself.

Q: What impedance should I match my speakers to?

Check your speaker's impedance rating (usually 4, 8, or 16 ohms) and match it to the amp's selectable impedance settings. Mismatching can damage the amp or speakers.

Q: I need an amp for my bass rig. Can I use a guitar power amp?

Generally, no. Bass frequencies require significantly more power handling. A guitar amp's power supply likely won't be robust enough to handle the low-end demands of a bass guitar, and you risk damaging the amp.

The top pick is Crown XTI 6002 2-Channel 1200w Power Amplifier ($2,463). Crown XTI 2002 2-Channel 2000w Power Amplifier gives you the most for the money at $768. 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

Narrow the chart

All General Power Amps Showing: For Advanced · clear

Price

Skill level

Brand

Top 10

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

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 XTi 4002 2-Channel 1200W Power Amplifier
Xti 4002 · Crown
17 for sale on Reverb1 finish at Thomann
- Size19"
- Weight8.4 kg
This Crown Xti 4002 is a powerhouse. The DSP is genuinely impressive for fine-tuning your sound, and the build feels rock-solid. It's ideal for touring bands, sound reinforcement companies, or anyone needing serious clean power and flexible routing in a premium-priced package.
Pros
- Exceptional DSP processing offers precise, tailored sound shaping.
- Robust three-stage cooling prevents overheating during demanding gigs.
- Crown's legendary build quality ensures years of reliable service.
Cons
- The weight makes transportation a serious two-person job.
- DSP complexity can be overwhelming for users unfamiliar with parametric EQ.
78AudioFu
Index
- Demand84
- Lineup63
- Price57
- Specs100
- Maker84
↓ 2.5%since Aug 14 · lowest so far
$1,276 · Aug 14$1,245 now

$1,245€1,111 at Thomann · in stock
Check price ↗
LAB Gruppen IPX 4800
LAB Gruppen
Not on Reverb yet1 finish at Thomann
- Size19"
- Weight11.2 kg
The IPX 4800 is a powerhouse, plain and simple. It’s ideal for touring sound engineers, large venues, and anyone needing serious headroom and flexible DSP control. The build quality is superb, and the digital processing really opens up possibilities for shaping your sound.
Pros
- Exceptional power density; truly impressive for its size.
- Integrated DSP offers extensive routing and processing options.
- Robust build quality; feels incredibly solid and well-engineered.
Cons
- Steep learning curve for the IPX software; requires dedicated training.
- Limited physical connectivity compared to some competitors.
60AudioFu
Index
- Demand30
- Lineup63
- Price84
- Specs100
- Maker73
↓ 11.2%since Aug 14 · lowest so far
$2,094 · Aug 14$1,859 now

$1,859€1,659 at Thomann · in stock
Check price ↗
Avantone Pro CLA-400 800-Watt Power Amplifier
CLA-400 · Avantone
8 for sale on Reverb1 finish at Thomann
- Size19"
- Weight22.2 kg
The Avantone CLA-400 is a seriously beefy amp, delivering clean, powerful sound. It’s a great choice for studios or live rigs needing reliable power and a classic, analog feel, especially if you're running larger passive speakers. The VU meters are a fantastic touch for accurate level control.
Pros
- Robust steel chassis provides excellent shielding and rigidity.
- Class A/B design offers a good balance of power and efficiency.
- Large VU meters offer precise visual feedback of output levels.
Cons
- Convection cooling limits maximum power output in warm environments.
- Relatively heavy, making rack mounting a two-person job.
69AudioFu
Index
- Demand64
- Lineup63
- Price75
- Specs100
- Maker44
↓ 8.4%since Aug 14 · lowest so far
$1,601 · Aug 14$1,467 now

$1,467€1,309 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 ↗
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 ↗
Dynacord L3600FD 1800 Watt Power Amplifier
L3600FD DSP · Dynacord
5 for sale on Reverb1 finish at Thomann
- Weight18.2 kg
The L3600FD DSP is a serious workhorse amp – built like a tank and packing a ton of power. Perfect for mid-to-large-scale venues needing clean, reliable amplification with advanced DSP control. It’s a premium-priced solution for sound reinforcement professionals.
Pros
- Robust, all-steel chassis offers excellent durability for touring.
- Dynacord's DSP provides precise control over speaker performance.
- Speaker Twist connectors simplify cable management and reduce connection errors.
Cons
- Size and weight make transportation and installation challenging for solo operators.
- DSP functionality may be overwhelming for users unfamiliar with digital audio processing.
53AudioFu
Index
- Demand52
- Lineup63
- Price27
- Specs50
- Maker82
↑ 7.6%since Aug 14
$1,758 · Aug 14$1,893 now

$1,893€1,689 at Thomann · in stock
Check price ↗
Yamaha PX10 Dual-Channel Power Amplifier
PX10 · Yamaha
10 for sale on Reverb1 finish at Thomann
- Size19"
- Weight7.4 kg
The PX10 is a seriously powerful and versatile digital amp, perfect for touring bands, rental companies, or anyone needing reliable headroom. Yamaha's built it tough with a robust power supply and clever DSP – it's a workhorse that’ll handle a wide range of speaker setups without breaking a sweat. Just be mindful of its weight when loading in.
Pros
- Yamaha’s DSP offers incredible flexibility for speaker tuning.
- The 2 Ohm stability is a huge advantage for demanding setups.
- D-contour processing delivers a surprisingly musical, controlled sound.
Cons
- The weight, while manageable, still requires two people for safe transport.
- Limited connectivity compared to some competitors in the price range.
68AudioFu
Index
- Demand70
- Lineup63
- Price55
- Specs100
- Maker44
↓ 1.7%since Aug 14 · lowest so far
$1,321 · Aug 14$1,299 now

$1,299€1,159 at Thomann · in stock
Check price ↗
Seeburg Acoustic Line S 3
Seeburg Acoustic Line
Not on Reverb yet1 finish at Thomann
- Size4.3"
- Weight6.7 kg
The Acoustic Line S 3 is a seriously powerful and clean amp. It's built for touring sound engineers, rental companies, or anyone needing reliable, high-wattage amplification with digital flexibility. The DSP capabilities alone make it a huge step up from your average power amp.
Pros
- Robust Class D efficiency minimizes heat and power consumption.
- AES3 and RJ45 inputs offer flexible digital connectivity options.
- DSP with IIR/FIR filters provides precise tonal shaping capabilities.
Cons
- The 2U height might pose rack space limitations in some setups.
- Premium-priced, representing a significant investment for smaller operations.
51AudioFu
Index
- Demand30
- Lineup63
- Price47
- Specs100
- Maker44
↑ 1.2%since Aug 14
$3,866 · Aug 14$3,911 now

$3,911€3,490 at Thomann · in stock
Check price ↗
Seeburg Acoustic Line S 5
Seeburg Acoustic Line
Not on Reverb yet1 finish at Thomann
- Size4.3"
- Weight6.8 kg
The Line S 5 is a seriously impressive piece. It delivers a ton of clean power in a compact, lightweight package, and the DSP capabilities let you really dial in your sound. This is perfect for touring acts or venues needing reliable, high-output amplification with some serious signal processing on hand.
Pros
- Excellent power density for a Class-D amp, surprisingly lightweight.
- DSP offers serious flexibility for shaping your sound.
- AES3 and RJ45 inputs provide versatile connectivity options.
Cons
- 2U height might limit rack space in some setups.
- Price point positions it as a premium investment.
51AudioFu
Index
- Demand30
- Lineup63
- Price46
- Specs100
- Maker44
↑ 1.5%since Aug 14
$4,583 · Aug 14$4,650 now

$4,650€4,150 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
Seeburg Acoustic Line S 10Seeburg Acoustic Line

Index 51↑ 1.2%
51
↑ 1.2%$5,547€4,950
$5,547€4,950Check ↗
12
Yamaha PX3 Dual-channel 500-Watt Power AmplifierPX3 · Yamaha

Index 77↓ 7.4%
77
↓ 7.4%$828€739
$828€739Check ↗
13
Yamaha PX8 Power AmplifierPX8 · Yamaha

Index 70↓ 3.9%
70
↓ 3.9%$1,075€959
$1,075€959Check ↗
14
Crown DCi 2 1250NCrown

Index 48Stable
48
Stable$4,768€4,255
$4,768€4,255Check ↗
15
Dynacord TGX10Dynacord

Index 48Stable
48
Stable$11,205€9,999
$11,205€9,999Check ↗
16
LAB Gruppen FP 14000LAB Gruppen

Index 47Stable
47
Stable$3,248€2,898
$3,248€2,898Check ↗
17
LAB Gruppen FP 10000QLAB Gruppen

Index 47Stable
47
Stable$3,271€2,919
$3,271€2,919Check ↗
18
LAB Gruppen PLM 12K44 SPLAB Gruppen

Index 47Stable
47
Stable$7,842€6,998
$7,842€6,998Check ↗
19
LAB Gruppen PLM 20K44 SPLAB Gruppen

Index 47Stable
47
Stable$10,074€8,990
$10,074€8,990Check ↗
20
Crown XLS 2502 2-Channel 775w Power AmplifierXLS 2502 · Crown

Index 76↑ 4.6%
76
↑ 4.6%$761€679
$761€679Check ↗
21
Dynacord TGX20Dynacord

Index 45↑ 5.3%
45
↑ 5.3%$17,694€15,790
$17,694€15,790Check ↗
22
Avantone Pro CLA-200 2-Channel Studio Reference AmplifierCLA-200 · Avantone

Index 67↓ 4.1%
67
↓ 4.1%$1,041€929
$1,041€929Check ↗
23
LAB Gruppen IPX 2400LAB Gruppen

Index 54Stable
54
Stable$1,455€1,298
$1,455€1,298Check ↗
24
Benchmark AHB2 BlackBenchmark

Index 42Stable
42
Stable$4,705€4,199
$4,705€4,199Check ↗
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
Dynacord SL2400Dynacord

Index 51↑ 8.5%
51
↑ 8.5%$1,444€1,289
$1,444€1,289Check ↗
27
TW AUDiO SYSRACK-TGX10TW AUDiO

Index 36↑ 12.2%
36
↑ 12.2%$13,436€11,990
$13,436€11,990Check ↗
28
Dynacord L2800FD-US 280-Watt Power AmplifierL2800FD DSP · Dynacord

Index 48↑ 9.1%
48
↑ 9.1%$1,400€1,249
$1,400€1,249Check ↗
29
Dynacord SL1800Dynacord

Index 52↑ 7.6%
52
↑ 7.6%$1,176€1,049
$1,176€1,049Check ↗
30
LD Systems Curv 500 IAMPLD Systems

Index 49Stable
49
Stable$1,176€1,049
$1,176€1,049Check ↗
31
Dynacord SL1200Dynacord

Index 51↑ 8.9%
51
↑ 8.9%$974€869
$974€869Check ↗
32
Dynacord SL 900Dynacord

Index 51↑ 9.5%
51
↑ 9.5%$894€798
$894€798Check ↗
33
LAB Gruppen IPX 1200LAB Gruppen

Index 49↑ 11.2%
49
↑ 11.2%$891€795
$891€795Check ↗
34
the t.amp Proline 3000the t.amp

Index 50Stable
50
Stable$761€679
$761€679Check ↗
35
Dynacord L1300FD DSPDynacord

Index 43↑ 10.7%
43
↑ 10.7%$929€829
$929€829Check ↗
36
Crown XLi800 Two-Channel 300-Watt Power AmplifierXLi 800 · Crown

Index 86↓ 6.3%
86
↓ 6.3%$335€299
$335€299Check ↗
37
Crown XLS1002 Power AmplifierXLS 1002 · Crown

Index 84↓ 3.6%
84
↓ 3.6%$420€375
$420€375Check ↗
38
Crown XLI 2500 2-Channel 750-Watt Power AmpXLi 2500 · Crown

Index 84↓ 11.8%
84
↓ 11.8%$542€484
$542€484Check ↗
39
Crown XLS 1502 2-Channel 525W Power AmplifierXLS 1502 · Crown

Index 84Stable
84
Stable$559€499
$559€499Check ↗
40
Crown XLS-2002 2-Channel 650w Power AmplifierXLS 2002 · Crown

Index 83↓ 6.5%
83
↓ 6.5%$626€559
$626€559Check ↗
41
Crown XLi1500 2-Channel 450-Watt Power AmplifierXLi 1500 · Crown

Index 81↓ 5.0%
81
↓ 5.0%$403€360
$403€360Check ↗
42
Crown XTi1002 Two Channel 500-Watt Power AmplifierXti 1002 · Crown

Index 81↓ 6.0%
81
↓ 6.0%$600€535
$600€535Check ↗
43
Behringer NX3000DBehringer · 2 finishes

Index 71↓ 20.5%
71
↓ 20.5%$352€314
$352€314Check ↗
44
Avantone Pro CLA-100 100 Watt Power AmplifierCLA-100 · Avantone

Index 71↓ 8.5%
71
↓ 8.5%$624€557
$624€557Check ↗
45
Behringer NX1000 1000-Watt Class D Power AmplifierNX1000 · Behringer · 2 finishes

Index 67Stable
67
Stable$196€175
$196€175Check ↗
46
Behringer Europower EP2000 2000-Watt Stereo Power AmpEP2000 Europower · Behringer

Index 67↓ 5.4%
67
↓ 5.4%$313€279
$313€279Check ↗
47
Behringer KM750 750-Watt Stereo Power Amp with ATR Accelerated…KM750 · Behringer

Index 66↓ 3.4%
66
↓ 3.4%$189€169
$189€169Check ↗
48
Behringer Europower EP4000 4000-Watt Stereo Power AmpEP4000 Europower · Behringer

Index 63↓ 7.0%
63
↓ 7.0%$390€348
$390€348Check ↗
49
Behringer NX6000Behringer

Index 63↓ 28.7%
63
↓ 28.7%$398€355
$398€355Check ↗
50
Behringer KM1700 Professional 1700-Watt Stereo Power AmplifierKM1700 · Behringer

Index 59↓ 5.6%
59
↓ 5.6%$263€235
$263€235Check ↗
51
the t.amp S-75 MK IIthe t.amp

Index 57Stable
57
Stable$145€129
$145€129Check ↗
52
the t.amp E-400the t.amp

Index 57Stable
57
Stable$156€139
$156€139Check ↗
53
Behringer Europower EPQ304 300-Watt 4-Channel Power AmpEPQ304 Europower · Behringer

Index 57Stable
57
Stable$164€146
$164€146Check ↗
54
the t.amp S-150 MK IIthe t.amp

Index 57Stable
57
Stable$201€179
$201€179Check ↗
55
the t.amp E-800the t.amp

Index 57Stable
57
Stable$212€189
$212€189Check ↗
56
the t.amp E-1200the t.amp

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

Index 57Stable
57
Stable$279€249
$279€249Check ↗
58
the t.amp E-1500the t.amp

Index 57Stable
57
Stable$324€289
$324€289Check ↗
59
the t.amp TA 1050 MK-Xthe t.amp

Index 57Stable
57
Stable$324€289
$324€289Check ↗
60
the t.amp E4-250the t.amp

Index 57Stable
57
Stable$334€298
$334€298Check ↗
61
the t.amp TSA 1400the t.amp

Index 57Stable
57
Stable$334€298
$334€298Check ↗
62
the t.amp TA 1400 MK-Xthe t.amp

Index 57Stable
57
Stable$373€333
$373€333Check ↗
63
the t.amp TSA 4-300the t.amp

Index 57Stable
57
Stable$380€339
$380€339Check ↗
64
the t.amp TSA 2200the t.amp

Index 57Stable
57
Stable$391€349
$391€349Check ↗
65
the t.amp TA 2400 MK-Xthe t.amp

Index 57Stable
57
Stable$425€379
$425€379Check ↗
66
the t.amp D4-500the t.amp

Index 57Stable
57
Stable$446€398
$446€398Check ↗
67
the t.amp TSA 4-700the t.amp

Index 57Stable
57
Stable$446€398
$446€398Check ↗
68
the t.amp Quadro 500 DSPthe t.amp

Index 57Stable
57
Stable$649€579
$649€579Check ↗
69
Behringer NX4-6000Behringer

Index 56Stable
56
Stable$536€478
$536€478Check ↗
70
Behringer A800 2-Channel Reference Power AmplifierA800 · Behringer

Index 52Stable
52
Stable$198€177
$198€177Check ↗
71
the t.amp S-100 MK IIthe t.amp

Index 50Stable
50
Stable$167€149
$167€149Check ↗
72
the t.amp TSA 4000the t.amp

Index 50Stable
50
Stable$514€459
$514€459Check ↗
73
Behringer KM400Behringer

Index 48Stable
48
Stable$212€189
$212€189Check ↗
74
Dynacord U120:1 power amplifierDynacord

Index 48Stable
48
Stable$487€435
$487€435Check ↗
75
Dynacord U240:1 power amplifierDynacord

Index 48Stable
48
Stable$555€495
$555€495Check ↗
76
LAB Gruppen PD3000LAB Gruppen

Index 47Stable
47
Stable$611€545
$611€545Check ↗
77
LAB Gruppen PDX3000LAB Gruppen

Index 47Stable
47
Stable$670€598
$670€598Check ↗
78
Auratone 5C Super SoundCubes Pair with A2-30 AmplifierA2-30 · Auratone

Index 44↓ 3.1%
44
↓ 3.1%$390€348
$390€348Check ↗
79
DAP-Audio SI 4-900DAP-Audio

Index 44↓ 1.5%
44
↓ 1.5%$716€639
$716€639Check ↗
80
DAP-Audio Qi-4600DAP-Audio

Index 43↓ 0.8%
43
↓ 0.8%$537€479
$537€479Check ↗
81
the t.amp PM40Cthe t.amp

Index 42Stable
42
Stable$89€79
$89€79Check ↗
82
the t.amp TA50the t.amp

Index 42Stable
42
Stable$95€85
$95€85Check ↗
83
Behringer KM3600QBehringer

Index 41Stable
41
Stable$481€429
$481€429Check ↗

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

Headroom & Clean Breakup

Advanced players aren't always chasing distortion. They need a clean platform with enough headroom to handle the PA and other instruments, but also the ability to gracefully transition into breakup without sounding fizzy or harsh. It's about that controlled, musical saturation, not just noise.

Dynamic Response & Articulation

A great power amp doesn't just amplify; it responds to your playing. You should feel the amp's character shaping your attack and sustain, not just blasting a flat signal. Look for amps known for their transient response and ability to preserve note articulation, especially at higher volumes.

Routing Flexibility & Features

Beyond just 'on' and 'off,' advanced players want options. Think multiple inputs, loop sends/returns for effects, selectable impedance for different speaker configurations, and even things like phase switches to deal with feedback. These features are crucial for complex live setups or studio recording.

Low-End Extension & Definition

A muddy, undefined low end will bury your tone in a band mix. The best power amps deliver a solid low-end thump without sacrificing clarity or articulation. Listen for how the amp handles sub-bass frequencies - it shouldn't just be rumble, it should be defined and controlled.

Noise Floor & Hum Rejection

Let's be honest, power amps can be noisy. A low noise floor is critical for clean recordings and avoiding unwanted hum during live performances. A high-quality amp will actively reject power line noise and internal hum, leaving you with a pristine signal.

Buying guide

So, you're beyond bedroom practice and need a power amp that can handle a serious gig, complex routing, and the demands of a discerning ear? Forget those beginner-friendly, one-trick-pony amps. We're talking about amps that let you sculpt your tone, dial in headroom, and actually respond to your playing dynamics. This isn't about loudness; it's about control and nuanced power.

Don't chase wattage alone; headroom and headroom quality matter more. Cheaper amps often cut corners on power supply design, leading to noise, distortion, and unreliable performance when pushed. Investing in a well-built amp with a robust power section will save you headaches (and potentially gear failure) down the road.

Consider your speaker impedance needs before you buy - mismatching can damage the amp or speakers.

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 a 'Class A' and 'Class AB' power amp?

Class A amps are super efficient and offer incredible clarity, but they generate a lot of heat and are typically lower wattage. Class AB is a compromise - better efficiency and more power, while still maintaining decent sound quality. Most serious pro amps are Class AB.

Can I use a power amp with direct recording?

Absolutely! But you'll need a preamp to provide the signal. Some power amps have built-in preamps, but those are often more limited in their tone shaping capabilities.

My amp hums when I plug it in. What's going on?

That's usually a ground loop issue. Try different outlets, a power conditioner, or a hum eliminator. It could also indicate a faulty component within the amp itself.

What impedance should I match my speakers to?

Check your speaker's impedance rating (usually 4, 8, or 16 ohms) and match it to the amp's selectable impedance settings. Mismatching can damage the amp or speakers.

I need an amp for my bass rig. Can I use a guitar power amp?

Generally, no. Bass frequencies require significantly more power handling. A guitar amp's power supply likely won't be robust enough to handle the low-end demands of a bass guitar, and you risk damaging the amp.