This is a reference price as no car model has been selected.

Q & A

Q.

What changes when you add an amplifier?

A.

When you add an amplifier, not only does the sound get louder, but the way the sound is produced itself changes.

The most noticeable change is more breathing room in the sound.
Even with the same speakers, the sound is less likely to feel harsh, vocals become easier to hear, and the low end tends to feel tighter without getting muddy.

With car audio, when it’s left stock, the speakers are often driven with limited power, so even turning the volume up slightly can cause the sound to scatter or make it feel like it’s really working hard to play.
That’s where adding an amplifier helps—because it can drive the speakers properly, you’re more likely to get a natural sound that doesn’t feel forced.

In practice, many people notice changes like these.

  • It becomes easier to listen even at lower volume
  • Vocal contours tend to become clearer
  • High frequencies are less likely to pierce, so your ears fatigue less
  • The bass doesn’t balloon and is easier to keep together
  • The sound is less likely to break up even when you turn it up

Especially at LOGON, we don’t just add an amplifier—we recommend solutions while looking at how it pairs with your current system.
That’s why it’s easy to put together in a sensible, no-overreach way, not only for vehicles that have already had speakers replaced, but also for those with stock speakers, based on requests like “I want it to be easier to listen to,” or “I want to change it from that ‘it’s straining to play’ feeling.”

On the other hand, adding an amplifier doesn’t automatically mean you’ll get a big, flashy sound every time.
Rather, what we aim for is not making it unnecessarily loud, but bringing it closer to a state where you can enjoy listening comfortably.

Also, depending on the vehicle model and your current audio setup, the way changes show up—and the pairing that suits you—differs a bit.
So at LOGON, instead of jumping straight into difficult topics, we guide you by organizing:

  • Where you’re dissatisfied with your current car
  • What kind of sound you want
  • How much it makes sense to change within your budget

“Not sure which comes first: speaker replacement or something else”
“I’m wondering whether it still makes sense to keep it stock”
These are also very common questions.

For people who want to improve the sound but don’t want to go overboard, there are quite a few cases where adding an amplifier changes things just right.
We can explain clearly based on your vehicle and current situation, so you can feel free to consult us even if you’re still deciding.

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POWER-220.4

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Z-400.4Ⅱ

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Z-150.6Ⅱ

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Z-1KD.Ⅱ

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Z-2KD.Ⅱ

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Z-BRⅡ

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ST-500XMⅡ

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ST-2X SQ

ZAPCOザプコST-2X SQ

ST-4X SQ

ZAPCOザプコST-4X SQ

ST-5X Ⅱ

ZAPCOザプコST-5X Ⅱ

ST-6X SQ

ZAPCOザプコST-6X SQ

EXT-A2PS

MACROMマクロムEXT-A2PS

EXT-A3A

MACROMマクロムEXT-A3A

EXT-A4M

MACROMマクロムEXT-A4M

EXT-AB

MACROMマクロムEXT-AB

HQA-450NS

Braim`sブレイムスHQA-450NS

HQA-450NS Type-N

Braim`sブレイムスHQA-450NS Type-N

CC-500

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CCi2

DLSディーエルーエスCCi2

CCi44

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SBA185

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Desiderio

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Prodigio

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Prestigio

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Precision one

QUARTORIGOクアトロトリゴPrecision one

Precision two

QUARTORIGOクアトロトリゴPrecision two

Heritage one

QUARTORIGOクアトロトリゴHeritage one

Heritage two

QUARTORIGOクアトロトリゴHeritage two

Heritage three

QUARTORIGOクアトロトリゴHeritage three

Heritage bi-one

QUARTORIGOクアトロトリゴHeritage bi-one

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P-1R 

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P-100R 

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P-100 rikyu

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P-100 MC

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PLUG&PLAY POWER

PLUG&PLAY プラグ&プレイPLUG&PLAY POWER

PLUG&PLAY COMMAND

PLUG&PLAY プラグ&プレイPLUG&PLAY COMMAND

Experience M Limited (Black) 

RS AUDIOアールエスオーディオExperience M Limited (Black) 

Experience M (Blue) 

RS AUDIOアールエスオーディオExperience M (Blue) 

Master T Mono  

RS AUDIOアールエスオーディオMaster T Mono  

A 20

RS AUDIOアールエスオーディオA 20

IQ1000.5

KICKERキッカーIQ1000.5

KXA800.5

KICKERキッカーKXA800.5

A CLASS 

mosconiモスコニA CLASS 

ZERO4

mosconiモスコニZERO4

ZERO3

mosconiモスコニZERO3

PRO 5/30 

mosconiモスコニPRO 5/30 

PRO 4/10 

mosconiモスコニPRO 4/10 

PRO 1/10 

mosconiモスコニPRO 1/10 

AS 100.2 

mosconiモスコニAS 100.2 

AS 200.2 

mosconiモスコニAS 200.2 

AS 300.2 

mosconiモスコニAS 300.2 

AS 200.4 

mosconiモスコニAS 200.4 

ONE 130.4

mosconiモスコニONE 130.4

ONE 80.4

mosconiモスコニONE 80.4

ONE 130.2

mosconiモスコニONE 130.2

ONE 130.4 DSP

mosconiモスコニONE 130.4 DSP

ONE 1000.1D

mosconiモスコニONE 1000.1D

ATOMO 2 

mosconiモスコニATOMO 2 

ATOMO 4

mosconiモスコニATOMO 4

ATOMO 4/6 DSP

mosconiモスコニATOMO 4/6 DSP

PICO 8/12 DSP

mosconiモスコニPICO 8/12 DSP

PICO 4 

mosconiモスコニPICO 4 

D2 100.4 DSP

mosconiモスコニD2 100.4 DSP

8TO12 AEROSPACE 

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6TO8 AEROSPACE

mosconiモスコニ6TO8 AEROSPACE

Z-150.6AP

ZAPCOザプコZ-150.6AP

TH uno 

audisonオーディソンTH uno 

TH due

audisonオーディソンTH due

TH quattro

audisonオーディソンTH quattro

DRC

audisonオーディソンDRC

DRC MP

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HV Venti 

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KS300.4

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GX-2400 Short Black

BRAXブラックスGX-2400 Short Black

AV uno 

audisonオーディソンAV uno 

AV due

audisonオーディソンAV due

AV quattro

audisonオーディソンAV quattro

AV 5.1K

audisonオーディソンAV 5.1K

SR 4.300 

audisonオーディソンSR 4.300 

SR 4.500

audisonオーディソンSR 4.500

SR 5.600

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SR 1.500 

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VCR-S1

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VCRA

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AP 4D

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DRC AB

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CR-201X JDP G -with AW Op Amp-

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CR-201 JDP G -with AW Op Amp-

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ASPIRE PRO M/B JDP

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CR-401 JDP G -with AW Op Amp-

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ASPIRE PRO V2

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EXCEL CA

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AF M6D

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AF M4D

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AF M1D

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Matrix MX4 PRO

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GX-2000 Short Black

BRAXブラックスGX-2000 Short Black

GX-2000 LongBlack/Silver

BRAXブラックスGX-2000 LongBlack/Silver

GX2400 Graphic Short Version Black/Silver

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GX2400 Graphic Long Version Black/Silver

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KTP-600

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KTP-300

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GZIA 1.700

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GZUA 2SQ

GROUND ZEROグランドゼロGZUA 2SQ

GZUA2SQ3

GROUND ZEROグランドゼロGZUA2SQ3

GZ ULTRA A-2

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GZRA 2HD

GROUND ZEROグランドゼロGZRA 2HD

GZIA 2.240

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GZIA 2.85

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GZPA Reference 2PURE

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GZUA 6SQ

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GZUA 4SQ

GROUND ZEROグランドゼロGZUA 4SQ

GZCS A-4.80

GROUND ZEROグランドゼロGZCS A-4.80

GZRA 4HD

GROUND ZEROグランドゼロGZRA 4HD

GZIA 4.120

GROUND ZEROグランドゼロGZIA 4.120

GZPA Reference 4PURE-SQ

GROUND ZEROグランドゼロGZPA Reference 4PURE-SQ

GZPA 4SQ

GROUND ZEROグランドゼロGZPA 4SQ

GZHA MINI FOUR

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testtesttest1

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No manufacturer settingメーカー設定なしPlay only with genuine deck

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M-FOUR

HELIXヘリックスM-FOUR

KICKERキッカーCXARC

Z-2KD II

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GM-D2400

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49WXA1000.4

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49WXA3600.1

KICKERキッカー49WXA3600.1

46CXA4001

KICKERキッカー46CXA4001

LX500.4

KICKERキッカーLX500.4

LX850.1

KICKERキッカーLX850.1

LX1250.1

KICKERキッカーLX1250.1

LX3000.1

KICKERキッカーLX3000.1

46CXA8001

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46CXA3604

KICKERキッカー46CXA3604

46CXA6605

KICKERキッカー46CXA6605

48PXA3001

KICKERキッカー48PXA3001

49WXA10004

KICKERキッカー49WXA10004

KXA1200.2

KICKERキッカーKXA1200.2

D’AMORE ENGINEERINGディ・アモーレエンジニアリングA1500

DRC MP CAN

audisonオーディソンDRC MP CAN

AFⅯ1.7bit

audisonオーディソンAFⅯ1.7bit

FPX 4.400SQ

PLUG&PLAY プラグ&プレイFPX 4.400SQ

FPX 5.1200

PLUG&PLAY プラグ&プレイFPX 5.1200

FPX 4.800

PLUG&PLAY プラグ&プレイFPX 4.800

FPX 1.1000

PLUG&PLAY プラグ&プレイFPX 1.1000

LX1300.7

KICKERキッカーLX1300.7

LX1650.1

KICKERキッカーLX1650.1

PRS-D800

Carrozzeria (Pioneer)カロッツェリア (パイオニア)PRS-D800

4200 SE-Trad

ARC AUDIOアークオーディオ4200 SE-Trad

4100 SE-Trad

ARC AUDIOアークオーディオ4100 SE-Trad

2150 SE-Trad

ARC AUDIOアークオーディオ2150 SE-Trad

KEY 200.4 display item

KICKERキッカーKEY 200.4 display item

PTRTP12 display item

KICKERキッカーPTRTP12 display item

BRAXGX2400

BRAXブラックスBRAXGX2400

CU4.2-Competition (2-channel power amplifier)

ARC AUDIOアークオーディオCU4.2-Competition (2-channel power amplifier)

BRAXGX2000ShortBlack

BRAXブラックスBRAXGX2000ShortBlack

BRAXGX2000longSilver

BRAXブラックスBRAXGX2000longSilver

BRAXGX2000shortSilver

BRAXブラックスBRAXGX2000shortSilver

BRAXGX2000longBlack

BRAXブラックスBRAXGX2000longBlack

BRAXGX2400longBlack

BRAXブラックスBRAXGX2400longBlack

BRAXGX2400shortBlack

BRAXブラックスBRAXGX2400shortBlack

BRAXGX2400shortSilver

BRAXブラックスBRAXGX2400shortSilver

BRAXGX2400longSilver

BRAXブラックスBRAXGX2400longSilver

MPS 4.400

MORELモレルMPS 4.400

MPS 1.550

MORELモレルMPS 1.550

LOGONORIGINALログオンオリジナルMARON 120.2 Tuning ver.2

CXA400.1

KICKERキッカーCXA400.1

KEY500.1 Bass Controller Wiring Kit

KICKERキッカーKEY500.1 Bass Controller Wiring Kit

GM-D8100

Carrozzeria (Pioneer)カロッツェリア (パイオニア)GM-D8100

KEY180.4

KICKERキッカーKEY180.4

Z-150.4AP

ZAPCOザプコZ-150.4AP

C FOUR

HELIXヘリックスC FOUR

IQ500.1

KICKERキッカーIQ500.1

IQ1000.1

KICKERキッカーIQ1000.1

IQ500.2

KICKERキッカーIQ500.2

IQ500.4

KICKERキッカーIQ500.4

201DIRECT

HELIXヘリックス201DIRECT

CXA800.1

KICKERキッカーCXA800.1

CXA1200.1

KICKERキッカーCXA1200.1

CXA1800.1

KICKERキッカーCXA1800.1

CXA360.4

KICKERキッカーCXA360.4

CXA660.5

KICKERキッカーCXA660.5

C-FOUR

HELIXヘリックスC-FOUR

C-ONE

HELIXヘリックスC-ONE

HDM2-C-FOUR

HELIXヘリックスHDM2-C-FOUR

HDM1-C-ONE

HELIXヘリックスHDM1-C-ONE

P-TWO

HELIXヘリックスP-TWO

H400X

HELIXヘリックスH400X

M-ONE

HELIXヘリックスM-ONE

M-SIX

HELIXヘリックスM-SIX

D-ONE

HELIXヘリックスD-ONE

D-FOUR

HELIXヘリックスD-FOUR

SRC

HELIXヘリックスSRC

6ch DSPAMP M-SIX DSP

HELIXヘリックス6ch DSPAMP M-SIX DSP