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Polarlander Power Car Amplifier Hi-Fi 2.1 MP3 Radio Audio Stereo Bass Speaker Booster Player for Motorbike Home No Power Plug

4.0 4.0 out of 5 stars 41 ratings
$15.90
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Purchase options and add-ons

Voltage 100 Volts, 18 Volts
Manufacturer PolarLander
Mounting Type Surface Mount
Brand Polarlander
Number of Channels 3

About this item

  • All-aluminum and sand-blasting shell, good heat dissipation.
  • Mini and compact design, space saving and easy to operate.
  • Support connecting with mobile phones, computers, MP3, MP4 and DVD players.
  • If you have a radio, MP3 or other stereo system attached to your car or motorbike, get great sound on the move with this hi-fi amplifier which is also a great option for connection to your home theatre or entertainment system.
  • Package List: 1 * LP-838 Amplifier Silver (Not include Power Adapter/Power cord/power supply )

Frequently bought together

Polarlander Power Car Amplifier Hi-Fi 2.1 MP3 Radio Audio Stereo Bass Speaker Booster Player for Motorbike Home No Power Plug
$15.90
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Dayton Audio DAEX58FP Flat Pack 58mm Exciter 25W 8 Ohm
$16.98
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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Package Dimensions ‏ : ‎ 6.26 x 5.31 x 1.85 inches; 10.86 ounces
  • Item model number ‏ : ‎ LP-838
  • Date First Available ‏ : ‎ January 11, 2016
  • Manufacturer ‏ : ‎ PolarLander
  • ASIN ‏ : ‎ B01AG6MLL8
  • Customer Reviews:
    4.0 4.0 out of 5 stars 41 ratings

Product Description


Features:
Connect with mobile phones, computers, MP3, MP4 and DVD players
Three channels, provide a variety of options
Mini car amplifier, save your car room and easy to operate
Mega bass part and volume control, offer you sensational music
All-aluminum and sand-blasting shell, not easy to be broken
Low consumption and excellent thermal stability
Total harmonic distortion: less than 0.4 percent
S / N：75dB
Frequency response: 29 - 18KHz
Distortion: less than 0.1 ( 1KHz )
Output power: RMS 15W x 2CH, SUBWoofer 20W x 1CH（at 14.4V DC input）
Supply voltage: 12 - 14.4V DC 3 - 5A
Package weight: 0.343 kg
Product Size(L x W x H): 15.30 x 10.00 x 3.50 cm / 6.02 x 3.94 x 1.38 inches
Package Contents: 1 x Car Channel Amplifier
Note : Power cord (Output 12V, ≥3A ) is not included. (Not include Power Adapter/Power cord/power supply )

Important information

Safety Information

not included adapter

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Customer reviews

4 out of 5 stars
4 out of 5
41 global ratings
Must have
5 Stars
Must have
A must have is proper wires and speakers
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Top reviews from the United States

Dark Photon
5.0 out of 5 stars The power supply is key
Reviewed in the United States on January 30, 2024
Verified Purchase
So I went through two of them and no subwoofer output. Very strange. At long last, I tried a +15V supply and my bass is back. Very odd thing. So if you are using 12V, maybe try 15. The spec is quite confusing as to the supply but I would go 15V at 1-2A depending on how much bass you crank and how far your neighbors are. A great low cost amp overall!.
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Sara
5.0 out of 5 stars Must have
Reviewed in the United States on July 31, 2023
Verified Purchase
A must have is proper wires and speakers
Customer image
Sara
5.0 out of 5 stars Must have
Reviewed in the United States on July 31, 2023
A must have is proper wires and speakers
Images in this review
Customer image
Customer image
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Cliente de Amazon
3.0 out of 5 stars Es solo un amplificador economico
Reviewed in Mexico on November 28, 2022
Verified Purchase
En realidad merece 4 estrellas pero le doy 3 porque llego sin la perilla del volumen del bajo.
El sonido no es muy bueno se escucha un ruido de fondo y los controles que sirven como ecualizador realmente no tienen ninguna función los muevo y no hay ninguna diferencia, el volumen si es muy alto, le puse unas bocinas de un home theater samsung y se escucha muy fuerte, cabe mencionar que lo ocupo como audio de una pc en una recamara pequeña.
De calidad llego sin la perilla del bajo, si conecto el audio por la entrada que dice mp3 no se escucha nada, la perilla del volumen general se atora.
En resumen si quieres escuchar musica con calidad este no te sirve, aun por 380 pesos que pague no me convenció quizás debí comprar unas bocinas para PC, si se escucha muy fuerte pero no es lo que yo necesitaba
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Mark Broadhurst
2.0 out of 5 stars PolarLander Power Amplifier Hi-Fi 2.1
Reviewed in Australia on October 16, 2023
Verified Purchase
The "sub-woofer" connection has NOT been filtered for a sub-woofer, it is just a third output for a general speaker and there is a constant buzzing in the the left and right speakers.
One person found this helpful
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Zafina ユーザー
4.0 out of 5 stars スーパーBASS機能をヘッドホン機能に改造。
Reviewed in Japan on September 23, 2022
Verified Purchase
12V車載用2.1chパワーアンプの様で、このLP-838は数社から販売されています。
本体は社名有り社名無し、様々ですがACアダプターは付属していません。
電源LEDは赤色で室内では眩し過ぎるので直列抵抗R24を4.7kΩから100kΩに替えました。
スーパーBASS機能は使用しないのでヘッドホン機能に替えました。
本機はBTLアンプなのでヘッドホン出力が得られずヘッドホンアンプ用として
小型ステレオアンプキット(TDA2822)を別途、購入し組み込みました。
まず前面のMP3は背面のINPUTと繋がっているだけので、此れをPHONE出力に
替えますがこのジャックはOFF切片のみなので使用せず、ヘッドホン使用時
スピーカーOFFとしたいので手持ちのSW機能付きのジャックに替えました。
スーパーBASSボリュームはヘッドホンボリュームに替えました。LEDは不使用です。
スーパーBASSボリュームは10kΩ-B、9型の単連でDカット軸と成っているので
手持ちの9型2連ボリュームを使用しました。軸形状が合わないのでツマミも替えました。
スーパーBASS IC TA8201AKは電源供給を止め雑音の発生と電源消費を無くしました。
背面のスーパーBASS端子は使用せず、単なる飾りです。
トーンボリュームは50kΩ-B型を使用しCR減衰型と成っています。大変無知な設計です。
CR減衰型なら通常50kΩ-A型を使用しますので結果、音の変化が不自然になっています。
スーパーBASSのプリIC 4558Dが不用となったので、此れでNF型トーン回路を構成します。
これなら50kΩ-B型で良く理想的なトーンコントロールと成ります。
十数点に及ぶ大変更作業でしたが高級機並みのトーンコントロール回路と成りました。
ヘッドホンからは電源ON時にボツッという雑音が出ますがTDA2822の機能上止むを得ません。
本体はTDA7057AQというICを使用していてBTL出力なので雑音は全く出ません。
TDA7057AQは40.5dBのゲイン(利得)を持っており8W(8Ω)の出力で入力感度26.7mVです。
此れだけで充分なゲインなので初段のアンプのゲインを9.5dBから0dBに変更しました。
室内据え置き用の小型アンプとして気に入って使用しています。
Customer image
Zafina ユーザー
4.0 out of 5 stars スーパーBASS機能をヘッドホン機能に改造。
Reviewed in Japan on September 23, 2022
12V車載用2.1chパワーアンプの様で、このLP-838は数社から販売されています。
本体は社名有り社名無し、様々ですがACアダプターは付属していません。
電源LEDは赤色で室内では眩し過ぎるので直列抵抗R24を4.7kΩから100kΩに替えました。
スーパーBASS機能は使用しないのでヘッドホン機能に替えました。
本機はBTLアンプなのでヘッドホン出力が得られずヘッドホンアンプ用として
小型ステレオアンプキット(TDA2822)を別途、購入し組み込みました。
まず前面のMP3は背面のINPUTと繋がっているだけので、此れをPHONE出力に
替えますがこのジャックはOFF切片のみなので使用せず、ヘッドホン使用時
スピーカーOFFとしたいので手持ちのSW機能付きのジャックに替えました。
スーパーBASSボリュームはヘッドホンボリュームに替えました。LEDは不使用です。
スーパーBASSボリュームは10kΩ-B、9型の単連でDカット軸と成っているので
手持ちの9型2連ボリュームを使用しました。軸形状が合わないのでツマミも替えました。
スーパーBASS IC TA8201AKは電源供給を止め雑音の発生と電源消費を無くしました。
背面のスーパーBASS端子は使用せず、単なる飾りです。
トーンボリュームは50kΩ-B型を使用しCR減衰型と成っています。大変無知な設計です。
CR減衰型なら通常50kΩ-A型を使用しますので結果、音の変化が不自然になっています。
スーパーBASSのプリIC 4558Dが不用となったので、此れでNF型トーン回路を構成します。
これなら50kΩ-B型で良く理想的なトーンコントロールと成ります。
十数点に及ぶ大変更作業でしたが高級機並みのトーンコントロール回路と成りました。
ヘッドホンからは電源ON時にボツッという雑音が出ますがTDA2822の機能上止むを得ません。
本体はTDA7057AQというICを使用していてBTL出力なので雑音は全く出ません。
TDA7057AQは40.5dBのゲイン(利得)を持っており8W(8Ω)の出力で入力感度26.7mVです。
此れだけで充分なゲインなので初段のアンプのゲインを9.5dBから0dBに変更しました。
室内据え置き用の小型アンプとして気に入って使用しています。
Images in this review
Customer image Customer image
Customer imageCustomer image
One person found this helpful
 Report
Jason S.
5.0 out of 5 stars Good little amp for the money.
Reviewed in Canada on April 26, 2016
Verified Purchase
For the twenty some-odd dollars, it works amazing. It's exactly what I needed for my 2.1 channel project. It does not ship with an AC adapter. However, it is a very standard size.

My only concern is that the small green connector for the sub woofer channel is very easy to disconnect.

All in all very happy with it.
One person found this helpful
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Daryl
4.0 out of 5 stars More than expected at this price but description not the best.
Reviewed in Canada on February 13, 2024
Verified Purchase
I used the amp for better audio from my TV (via the headphone output on the TV). I had to scrounge up a 12V adapter and discovered that a 1A adapter was not enough to also connect my subwoofer but a 3A one seems to work fine. With L and R speakers only, a 1A adapter seemed adequate but I'd still upgrade to at least a 2A adapter if using a subwoofer.
I cannot see how the description of "3 channels" is accurate. Yes, there is a subwoofer amp output but no separate subwoofer input. The subwoofer amp section just mixes down the low bass audio from the 2 (L & R) stereo input channels. It's fine for me but might confuse someone who is more literal-minded.
I also tested it with the headphone output of my little MP3, AM/FM player, and it was good.
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