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3e Audio A5 TPA3251 PBTL Next-gen HiFi Stereo Amplifier with Enhanced PFFB Professional Amplifier with 38V/5A Power Supply

4.60

지난 32시간 동안 판매됨 26

$ 279.99
$ 280.00
-0.00%

I have owned several TPA325X Class D amps from FX-Audio, Douk, and Fosi, as well as an earlier 3E audio kit. The A5 beats them all (and I think beats everything( in lowest noise, distortion, and most accurate frequency response with all kinds of speakers. On the other hand, they all have sounded great. In a blindfolded test I doubt I could hear the difference. Because I do not listen blindfolded, this new A5 sounds subjectively a bit better than the rest, with a more coherent overall sound and lots of bass punch. I also appreciate the care 3E took in choosing the feature combination with maximum simplicity, and flexiblity. Volume bypass is great if you like me, control the volume with your preamp or streamer. Gain Adjust makes sure it always works in the lowest distortion mode. The Auto-Shutoff feature was not perfect when this amp was 1st released. It was set to shut off after 5 minutes of silence and would not come back on unless the preamp volume was pretty high. There was originally no way to disable the auto shut off feature. In the 1st month of release 3e responded to user complaints and changed all that. It now waits for 20 minutes of silence to shut off. The turn on sensing has been reduced so it will work on most all systems. Finally, as another reviewer said, you can disable the feature. To be fair, these are all changes and were not in the 1st release. It works great for me.

19 현재 누군가가 웹사이트를 탐색 중입니다.

수량:
- +

예상 배송 시간: 12~26일(국제), 3~6일(미국)

구매일로부터 45일 이내에 반품이 가능합니다. 관세 및 세금은 환불되지 않습니다.

  • ASIN:

    B0F8HJ88QW

  • BEST_SELLERS_RANK:

    #105,147 in Electronics (See Top 100 in Electronics) #694 in Audio Component Amplifiers

  • BRAND:

    Generic

  • DATE_FIRST_AVAILABLE:

    May 13, 2025

  • ITEM_DIMENSIONS_L_X_W_X_H:

    6.61 x 6.69 x 1.81 inches

  • ITEM_MODEL_NUMBER:

    A5

  • ITEM_WEIGHT:

    2.2 pounds

  • MANUFACTURER:

    3eAudio

  • MAXIMUM_SUPPLY_VOLTAGE:

    38 Volts (DC)

  • MINIMUM_SUPPLY_VOLTAGE:

    38 Volts (DC)

  • MOUNTING_TYPE:

    Freestanding

  • NUMBER_OF_CHANNELS:

    2

  • OUTPUT_POWER:

    150 Watts

  • PRODUCT_DIMENSIONS:

    6.61 x 6.69 x 1.81 inches

  • VOLTAGE:

    38 Volts

안전한 결제를 보장하세요
제품 상세 정보
Operations: 1. Connect the passive speaker to the speaker output terminal (please ensure the priority is correct). 2. Connect the audio source to the RCA or XLR(TRS) input. 3. Connect the power supply (MUST within product specification range). 4. select the RCA/XLR mode for desired input source. 5. Turn the volume knob clockwise to adjust to the appropriate volume. Note: ● It is STRONG suggest connect power supply cable before power on the device. ● product will auto power on when power supply is on. ● Auto audio sensing power on/off can be disable and enable by user, in standby mode: > long push volume knob 5S until RCA LED flash 3S then off, auto on/off disable > long push volume knob 5S until XLR LED flash 3S then off, auto on/off enable
고객 리뷰
4.60

(100 점수)

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83
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12 논평

5.0 out of 5 stars Quality
2026-02-01    -Slip

Excellent amplifier. I use it solely as a power amp by bypassing the volume control and using my preamp for volume control duties.

5.0 out of 5 stars Quality
2026-03-04    -Slip

Excellent amplifier. I use it solely as a power amp by bypassing the volume control and using my preamp for volume control duties.

Its right in the instructions... How to turn the auto on off feature. Just hold down the volume button for like 5 seconds. The leds will flash and it's done. So no one should complain about this feature.

EDIT: I also got the A7..... It also has the "design flaw," except there is a workaround to disable the "standby mode" on the A7. Posted a review for that amplifier as well. And stated the "workaround" procedure in that review. (I was not able to do the workaround with the A5, only the A7.)............The 3e Audio A5 amplifier is one the best sounding budget "Class D" amplifiers that I've come across, rivaling amplifiers costing up to three times its price.....But there is a major design flaw......The "Standby" feature of this amplifier ("signal trigger") causes the amplifier to turn back on after turning it off (by pressing and holding the volume knob for ~5 seconds). This "trigger" is sensitive enough to turn the amp back on when no music is playing out the source. The only way to truly turn the amp off is to disconnect electrical power.If this turn-on "trigger" could be defeated with either a design fix or firmware upgrade (which might not be applicable), I'd raise this rating from three to five stars.

I have owned several TPA325X Class D amps from FX-Audio, Douk, and Fosi, as well as an earlier 3E audio kit. The A5 beats them all (and I think beats everything( in lowest noise, distortion, and most accurate frequency response with all kinds of speakers. On the other hand, they all have sounded great. In a blindfolded test I doubt I could hear the difference. Because I do not listen blindfolded, this new A5 sounds subjectively a bit better than the rest, with a more coherent overall sound and lots of bass punch. I also appreciate the care 3E took in choosing the feature combination with maximum simplicity, and flexiblity. Volume bypass is great if you like me, control the volume with your preamp or streamer. Gain Adjust makes sure it always works in the lowest distortion mode. The Auto-Shutoff feature was not perfect when this amp was 1st released. It was set to shut off after 5 minutes of silence and would not come back on unless the preamp volume was pretty high. There was originally no way to disable the auto shut off feature. In the 1st month of release 3e responded to user complaints and changed all that. It now waits for 20 minutes of silence to shut off. The turn on sensing has been reduced so it will work on most all systems. Finally, as another reviewer said, you can disable the feature. To be fair, these are all changes and were not in the 1st release. It works great for me.

EDIT: I also got the A7..... It also has the "design flaw," except there is a workaround to disable the "standby mode" on the A7. Posted a review for that amplifier as well. And stated the "workaround" procedure in that review. (I was not able to do the workaround with the A5, only the A7.)............The 3e Audio A5 amplifier is one the best sounding budget "Class D" amplifiers that I've come across, rivaling amplifiers costing up to three times its price.....But there is a major design flaw......The "Standby" feature of this amplifier ("signal trigger") causes the amplifier to turn back on after turning it off (by pressing and holding the volume knob for ~5 seconds). This "trigger" is sensitive enough to turn the amp back on when no music is playing out the source. The only way to truly turn the amp off is to disconnect electrical power.If this turn-on "trigger" could be defeated with either a design fix or firmware upgrade (which might not be applicable), I'd raise this rating from three to five stars.

5.0 out of 5 stars 3e Audio for the w1n!
2026-01-18    -Trystan

I’m using it with an AirPort Express source and running KEF 3050i tower speakers. Easy to setup, easy to use, auto sensing power up and down works well, clean sound and right amount of power. For the price very happy with product. (Shipped from international store to NZ so had to change the AC power plug)

Can properly drive my JBL tower speakers. It can handle as low as 2Ohm speaker load. ASR has a good review on this amp with measurements. Highly recommended.

5.0 out of 5 stars 3e Audio for the w1n!
2026-02-24    -Trystan

I’m using it with an AirPort Express source and running KEF 3050i tower speakers. Easy to setup, easy to use, auto sensing power up and down works well, clean sound and right amount of power. For the price very happy with product. (Shipped from international store to NZ so had to change the AC power plug)

Can properly drive my JBL tower speakers. It can handle as low as 2Ohm speaker load. ASR has a good review on this amp with measurements. Highly recommended.

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