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Felix FX-5040 Car Audio Amplifier 4 Channels
Car Audio Amplifiers

Felix FX-5040 Car Audio Amplifier 4 Channels

Key features:

  • Crossover frequency separation
  • Function: Bass Boost
  • Frequency response: 88dB
  • Impedance: 4Ω
  • Fuse Type: 20A x2
  • Dimensions: 34.5 x 22.7 x 5cm
See full description
Product report

Description

Description

The RDA-5040 is a 4-channel Class A/B car amplifier, designed to power speakers and subwoofers. It offers maximum power of up to 1800W and flexible connection options for different audio system requirements. It delivers 4 x 60W RMS at 4Ω or 4 x 90W RMS at 2Ω. In bridged mode, it provides 2 x 180W RMS at 4Ω for increased power. The built-in High Pass and Low Pass filters allow for better frequency management. The Bass Boost function enhances low-frequency performance. The LED power and protection indicators make it easy to monitor the amplifier’s status.

Flexible 4-Channel Power

The RDA-5040 features a Class A/B design and four channels for flexible audio system configuration. It offers maximum power up to 1800W and delivers 4 x 60W RMS at 4Ω or 4 x 90W RMS at 2Ω. In bridged mode, it provides 2 x 180W RMS at 4Ω, allowing it to drive more powerful speakers or a subwoofer. Support for different loads offers greater flexibility during installation.

Sound Control and Reliable Operation

The built-in High Pass and Low Pass filters allow the sound to be adjusted to the connected speakers and subwoofer, while the Bass Boost enhances the low frequencies. The response from 20Hz to 20kHz covers a wide sound spectrum, while THD below 0.1% and a signal-to-noise ratio above 88dB contribute to clear reproduction. The LED power and protection indicators make it easy to check the amplifier instantly.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Number of Channels
4 Channels

Number of Channels

4 Channels
The 4-channel amplifiers are intended for 4-speaker systems.
Amplifier class
-

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (35)

Reviews

4.7
35
4.7
Review this product
  1. 28
  2. 3
  3. 2
  4. 2 stars
    0
  5. 2
Review this product
  • Large number of inputs/outputs
  • Bass quality
  • Sound quality
  • Construction quality
  • Volume
  • Value for money
  • rs2000manos0
    5
    rs2000manos0

    It runs 2 12-inch Kenwood subs and it handles them effortlessly! Very powerful for its price... superior to a Magnat I had before... you can't get better value for money:

    Translated from Greek ·
    Did you find this review helpful?
  • U_G_X
    5
    U_G_X

    Verified purchase

    I don't know what others say but I've had the amplifier for 3-4 years, nothing has happened to it until today, and for a period when I only had this, it powered two 12-inch speakers at the back, one 12-15 bass and 4 speakers and two horns at the front. Of course, it's true that it gets hot if you turn it all the way up, but I believe if you connect one bass and 4 speakers along with horns it will work perfectly with a good radio!!

    Translated from Greek ·
    Did you find this review helpful?
  • George_Zappidis
    1
    1 out of 1 members found this review helpful
    George_Zappidis

    Disappointing purchase. The amplifier does not deliver the power it promises and at slightly higher volume the sound distorts quite a lot. Additionally, it heats up very quickly and does not inspire confidence for long-term use. The build quality is cheap. I would not recommend it.

    Translated from Greek ·
    Did you find this review helpful?
  • volcanopremiumherbstones
    5
    volcanopremiumherbstones

    Value for money up to a point. It can't be compared to something more expensive... but it does its job perfectly

    Translated from Greek ·
    Did you find this review helpful?
  • Dimitris_Kondylis
    3
    0 out of 2 members found this review helpful
    Dimitris_Kondylis

    Verified purchase

    It is definitely not over 500w, I got it for a subwoofer but it doesn't play it well. I believe that with four speakers without high demands, it is good

    Translated from Greek ·
    Did you find this review helpful?
  • argy_sotos
    4
    2 out of 2 members found this review helpful
    argy_sotos

    I got it recently and it is a fantastic amplifier for the money, I have old speakers in my mom's car, imagine, and it gave me around 60% volume, maybe even more, I only have a good radio source and nothing else, I recommend it guys, it's great for the money!!

    Translated from Greek ·
    Did you find this review helpful?
  • Petros_Tsexeridis
    5
    7 out of 8 members found this review helpful
    Petros_Tsexeridis

    Verified purchase

    I recommend it with closed eyes, I play with 4 pride ruby 200rms and a 15-inch sub 800rms 1600watt and it handles them perfectly

    Translated from Greek ·
    Did you find this review helpful?
  • Kwstas.Kamikaze
    5
    3 out of 3 members found this review helpful
    Kwstas.Kamikaze

    I would say quite correct, for 2+1 GAS on each door always 8s, and a 15-inch sub trf 500 RMS neither shuts down nor makes plans and the amplifier has been running for about a year... P.S. the sub is bridged of course and with an Alpine 200BT source

    Translated from Greek ·
    Did you find this review helpful?
  • Konstantinos_G6574
    5
    5 out of 5 members found this review helpful
    Konstantinos_G6574

    Verified purchase

    Guys, words are unnecessary. I'm playing with a 12-inch subwoofer and I have a second amplifier that I'm using for 4-inch speakers and two horns. For this specific amplifier, I have to say, get it with your eyes closed and you will remember me for the power we're talking about!

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 5
    steve1212

    Verified purchase

    Just one word: Beast!!

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful
    Steve_S7502

    Verified purchase

    Good amplifier for the money, it turns on

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    maikos27

    Verified purchase

    Very good!! Worth the money...!!

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 5
    Emiliano_Halili

    Verified purchase

    It's totally worth it

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 5
    SAΤANAS

    With the sub 12 300w and the Pioneer source, simply perfect

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 1
    3 out of 11 members found this review helpful
    Giwrgos_Kosioris1011

    Verified purchase

    In 20 days, the red light simply turned on for no reason and it doesn't turn on.

    Translated from Greek ·
    • Large number of inputs/outputs
    • Bass quality
    • Sound quality
    • Volume
    • Construction quality
    • Value for money
    Did you find this review helpful?
  • 5
    5 out of 5 members found this review helpful
    filippasdouros

    It has 8 speakers on top for voices, simply perfect (and good source)

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 5
    6 out of 6 members found this review helpful
    Basilis_D72

    Very good amplifier, it produces a very powerful sound. And nice bass with a 12-inch subwoofer, it's worth it!

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 5
    9 out of 11 members found this review helpful
    minas_ath

    Very good for its price, crystal clear sound (the source also matters) and quite powerful!

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 3
    Andreas_Gionis

    Verified purchase

  • 5
    Jk_Kosm

    Verified purchase

  • 5
    lsdeead

    Verified purchase

  • 5
    gkio_kirakosian

    Verified purchase

  • 4
    ΜαριοςΓΚ

    Verified purchase

  • 5
    Georgios_Kalomenidis

    Verified purchase

  • 5
    kosy_kon

    Verified purchase

  • 5
    dim_xalastanis

    Verified purchase

  • 5
    gagour2000

    Verified purchase

  • 4
    nertiltilis

    Verified purchase

  • 5
    Manolis_Vardas

    Verified purchase

  • 5
    Gewrgios_Tsampazhs

    Verified purchase

  • rs2000manos0
    5
    rs2000manos0

    It runs 2 12-inch Kenwood subs and it handles them effortlessly! Very powerful for its price... superior to a Magnat I had before... you can't get better value for money:

    Translated from Greek ·
    0
  • U_G_X
    5
    U_G_X

    I don't know what others say but I've had the amplifier for 3-4 years, nothing has happened to it until today, and for a period when I only had this, it powered two 12-inch speakers at the back, one 12-15 bass and 4 speakers and two horns at the front. Of course, it's true that it gets hot if you turn it all the way up, but I believe if you connect one bass and 4 speakers along with horns it will work perfectly with a good radio!!

    Translated from Greek ·
    0
  • George_Zappidis
    1
    George_Zappidis

    Disappointing purchase. The amplifier does not deliver the power it promises and at slightly higher volume the sound distorts quite a lot. Additionally, it heats up very quickly and does not inspire confidence for long-term use. The build quality is cheap. I would not recommend it.

    Translated from Greek ·
    1
  • volcanopremiumherbstones
    5
    volcanopremiumherbstones

    Value for money up to a point. It can't be compared to something more expensive... but it does its job perfectly

    Translated from Greek ·
    0
  • Dimitris_Kondylis
    3
    Dimitris_Kondylis

    It is definitely not over 500w, I got it for a subwoofer but it doesn't play it well. I believe that with four speakers without high demands, it is good

    Translated from Greek ·
    0
  • See all

Description & Specifications

The RDA-5040 is a 4-channel Class A/B car amplifier, designed to power speakers and subwoofers. It offers maximum power of up to 1800W and flexible connection options for different audio system requirements. It delivers 4 x 60W RMS at 4Ω or 4 x 90W RMS at 2Ω. In bridged mode, it provides 2 x 180W RMS at 4Ω for increased power. The built-in High Pass and Low Pass filters allow for better frequency management. The Bass Boost function enhances low-frequency performance. The LED power and protection indicators make it easy to monitor the amplifier’s status.

Flexible 4-Channel Power

The RDA-5040 features a Class A/B design and four channels for flexible audio system configuration. It offers maximum power up to 1800W and delivers 4 x 60W RMS at 4Ω or 4 x 90W RMS at 2Ω. In bridged mode, it provides 2 x 180W RMS at 4Ω, allowing it to drive more powerful speakers or a subwoofer. Support for different loads offers greater flexibility during installation.

Sound Control and Reliable Operation

The built-in High Pass and Low Pass filters allow the sound to be adjusted to the connected speakers and subwoofer, while the Bass Boost enhances the low frequencies. The response from 20Hz to 20kHz covers a wide sound spectrum, while THD below 0.1% and a signal-to-noise ratio above 88dB contribute to clear reproduction. The LED power and protection indicators make it easy to check the amplifier instantly.

Manufacturer

Manufacturer Details

Warnings & Safety Information
Number of Channels
4 Channels

Number of Channels

4 Channels
The 4-channel amplifiers are intended for 4-speaker systems.
Amplifier class
-

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (35)

4.7
35
4.7
Review this product
  1. 28
  2. 3
  3. 2
  4. 2 stars
    0
  5. 2
Review this product
  • Large number of inputs/outputs
  • Bass quality
  • Sound quality
  • Construction quality
  • Volume
  • Value for money
  • rs2000manos0
    5
    rs2000manos0

    It runs 2 12-inch Kenwood subs and it handles them effortlessly! Very powerful for its price... superior to a Magnat I had before... you can't get better value for money:

    Translated from Greek ·
    Did you find this review helpful?
  • U_G_X
    5
    U_G_X

    Verified purchase

    I don't know what others say but I've had the amplifier for 3-4 years, nothing has happened to it until today, and for a period when I only had this, it powered two 12-inch speakers at the back, one 12-15 bass and 4 speakers and two horns at the front. Of course, it's true that it gets hot if you turn it all the way up, but I believe if you connect one bass and 4 speakers along with horns it will work perfectly with a good radio!!

    Translated from Greek ·
    Did you find this review helpful?
  • George_Zappidis
    1
    1 out of 1 members found this review helpful
    George_Zappidis

    Disappointing purchase. The amplifier does not deliver the power it promises and at slightly higher volume the sound distorts quite a lot. Additionally, it heats up very quickly and does not inspire confidence for long-term use. The build quality is cheap. I would not recommend it.

    Translated from Greek ·
    Did you find this review helpful?
  • volcanopremiumherbstones
    5
    volcanopremiumherbstones

    Value for money up to a point. It can't be compared to something more expensive... but it does its job perfectly

    Translated from Greek ·
    Did you find this review helpful?
  • Dimitris_Kondylis
    3
    0 out of 2 members found this review helpful
    Dimitris_Kondylis

    Verified purchase

    It is definitely not over 500w, I got it for a subwoofer but it doesn't play it well. I believe that with four speakers without high demands, it is good

    Translated from Greek ·
    Did you find this review helpful?
  • argy_sotos
    4
    2 out of 2 members found this review helpful
    argy_sotos

    I got it recently and it is a fantastic amplifier for the money, I have old speakers in my mom's car, imagine, and it gave me around 60% volume, maybe even more, I only have a good radio source and nothing else, I recommend it guys, it's great for the money!!

    Translated from Greek ·
    Did you find this review helpful?
  • Petros_Tsexeridis
    5
    7 out of 8 members found this review helpful
    Petros_Tsexeridis

    Verified purchase

    I recommend it with closed eyes, I play with 4 pride ruby 200rms and a 15-inch sub 800rms 1600watt and it handles them perfectly

    Translated from Greek ·
    Did you find this review helpful?
  • Kwstas.Kamikaze
    5
    3 out of 3 members found this review helpful
    Kwstas.Kamikaze

    I would say quite correct, for 2+1 GAS on each door always 8s, and a 15-inch sub trf 500 RMS neither shuts down nor makes plans and the amplifier has been running for about a year... P.S. the sub is bridged of course and with an Alpine 200BT source

    Translated from Greek ·
    Did you find this review helpful?
  • Konstantinos_G6574
    5
    5 out of 5 members found this review helpful
    Konstantinos_G6574

    Verified purchase

    Guys, words are unnecessary. I'm playing with a 12-inch subwoofer and I have a second amplifier that I'm using for 4-inch speakers and two horns. For this specific amplifier, I have to say, get it with your eyes closed and you will remember me for the power we're talking about!

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 5
    steve1212

    Verified purchase

    Just one word: Beast!!

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful
    Steve_S7502

    Verified purchase

    Good amplifier for the money, it turns on

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    maikos27

    Verified purchase

    Very good!! Worth the money...!!

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 5
    Emiliano_Halili

    Verified purchase

    It's totally worth it

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 5
    SAΤANAS

    With the sub 12 300w and the Pioneer source, simply perfect

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 1
    3 out of 11 members found this review helpful
    Giwrgos_Kosioris1011

    Verified purchase

    In 20 days, the red light simply turned on for no reason and it doesn't turn on.

    Translated from Greek ·
    • Large number of inputs/outputs
    • Bass quality
    • Sound quality
    • Volume
    • Construction quality
    • Value for money
    Did you find this review helpful?
  • 5
    5 out of 5 members found this review helpful
    filippasdouros

    It has 8 speakers on top for voices, simply perfect (and good source)

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 5
    6 out of 6 members found this review helpful
    Basilis_D72

    Very good amplifier, it produces a very powerful sound. And nice bass with a 12-inch subwoofer, it's worth it!

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 5
    9 out of 11 members found this review helpful
    minas_ath

    Very good for its price, crystal clear sound (the source also matters) and quite powerful!

    Translated from Greek ·
    • Sound quality
    • Volume
    • Construction quality
    • Large number of inputs/outputs
    • Bass quality
    • Value for money
    Did you find this review helpful?
  • 3
    Andreas_Gionis

    Verified purchase

  • 5
    Jk_Kosm

    Verified purchase

  • 5
    lsdeead

    Verified purchase

  • 5
    gkio_kirakosian

    Verified purchase

  • 4
    ΜαριοςΓΚ

    Verified purchase

  • 5
    Georgios_Kalomenidis

    Verified purchase

  • 5
    kosy_kon

    Verified purchase

  • 5
    dim_xalastanis

    Verified purchase

  • 5
    gagour2000

    Verified purchase

  • 4
    nertiltilis

    Verified purchase

  • 5
    Manolis_Vardas

    Verified purchase

  • 5
    Gewrgios_Tsampazhs

    Verified purchase

  • rs2000manos0
    5
    rs2000manos0

    It runs 2 12-inch Kenwood subs and it handles them effortlessly! Very powerful for its price... superior to a Magnat I had before... you can't get better value for money:

    Translated from Greek ·
    0
  • U_G_X
    5
    U_G_X

    I don't know what others say but I've had the amplifier for 3-4 years, nothing has happened to it until today, and for a period when I only had this, it powered two 12-inch speakers at the back, one 12-15 bass and 4 speakers and two horns at the front. Of course, it's true that it gets hot if you turn it all the way up, but I believe if you connect one bass and 4 speakers along with horns it will work perfectly with a good radio!!

    Translated from Greek ·
    0
  • George_Zappidis
    1
    George_Zappidis

    Disappointing purchase. The amplifier does not deliver the power it promises and at slightly higher volume the sound distorts quite a lot. Additionally, it heats up very quickly and does not inspire confidence for long-term use. The build quality is cheap. I would not recommend it.

    Translated from Greek ·
    1
  • volcanopremiumherbstones
    5
    volcanopremiumherbstones

    Value for money up to a point. It can't be compared to something more expensive... but it does its job perfectly

    Translated from Greek ·
    0
  • Dimitris_Kondylis
    3
    Dimitris_Kondylis

    It is definitely not over 500w, I got it for a subwoofer but it doesn't play it well. I believe that with four speakers without high demands, it is good

    Translated from Greek ·
    0
  • See all
66,80 €
14,00 €   shipping cost