Walmart US Ecommerce Website

GENERAL MERCHANDISE

PHARMACY

GROCERIES

VUDU

SPARK

PHOTO

ADVERTISING

SAVINGS CATCHER

GIFTCARDS

INHOME

AFFILIATE

ONEAPP

LOTUS

HELP

SMART_REORDER

GROCERY

CONV_COMMERCE

Try it free

Glass WEB: BTS x Walmart + "Non Member" PIP Banner Wk 26 2026

Buy Box Ad Container Module for Desktop

Custom HTML Module - About Klarna

Custom HTML Module - About SalesFinancing - Second update

You'll choose a plan at checkout.

#515357

I want delivery savings with Delivery Pass

#0071dc

NEW Fulfillment Tue Apr 15 2025 2:17 PM EDT

MTZ Team | Marquee 1 Ad | Item Page

MTZ Team | Marquee 2  Ad | Item Page

MTZ Team | Skyline Ad | Item Page

Other products of interest

MTZ Team | Sponsored Product Carousel - Item Page

More items to explore

MTZ Team | Sponsored Product Carousel - Item Page Broad 

NEW AddonServicesRedesign Fri Jul 18 2025 1:30 PM EDT

NEW AddToCart Mon Jul 14 2025 3:50 PM EDT

NEW AddToCart Tue Apr 15 2025 2:19 PM EDT

NEW BrandBoxDisplayAd Mon Jul 14 2025 9:14 PM EDT

NEW BrandLink Wed Apr 23 2025 12:07 AM EDT

NEW Breadcrumb Mon Apr 07 2025 8:23 PM EDT

Walmart Rewards Mastercard

NEW FinancingOptions Tue Dec 10 2024 3:32 PM EST

I want shipping & delivery savings with

NEW Fulfillment Mon Jul 14 2025 4:00 PM EDT

NEW InternationalShipping Mon May 18 2026 1:02 PM EDT

New Item Page - Nutrition Value Placeholder Module, Wednesday, February 08, 2023, 5:11:53:90 pm

New Item Page - Product Description Placeholder Module, Wednesday, February 08, 2023, 5:14:04:38 pm

New Item Page - Product Ingredients Placeholder Module, Friday, February 10, 2023, 10:34:23:79 am

New Item Page - Product Specifications Placeholder Module, Wednesday, February 08, 2023, 5:15:29:61 pm

New Item Page - Reviews Placeholder Module, Wednesday, March 22, 2023, 10:04:29:34 am

New Item Related Shelves Module, Thursday, June 15, 2023, 6:08:51:10 am

 Price Match Policy

Prices, terms, and availability may vary online, in stores, and in–app. If the advertised price is not shown here, inventory at the advertised price may now be sold out. Please see the other offers, if available, while quantities last. Some items may be available from Marketplace Sellers, who set their own prices, and are not eligible for price match. Items sold in store by Walmart may be eligible for a price match to online items shipped and sold by Walmart. For variable weight items, price shown is an estimated price only – you will be charged for the actual weight of the item. See our

NEW LegalPriceDisclaimer Mon Jul 14 2025 4:11 PM EDT

NEW LegalPriceDisclaimer Wed Apr 30 2025 12:13 AM EDT

NEW ListsAndRegistries Tue Apr 15 2025 4:50 PM EDT

NEW PaymentPlans Mon Jul 14 2025 4:15 PM EDT

NEW PaymentPlans Tue Apr 15 2025 1:31 PM EDT

NEW PriceInformation Tue Apr 15 2025 1:30 PM EDT

NEW ProductDescriptionPlaceholderATF Tue Jul 08 2025 11:41 PM EDT

NEW ProductFlags Thu Apr 10 2025 11:42 PM EDT

NEW ProductHighlightsPlaceholder Wed Jul 02 2025 12:43 AM EDT

NEW ProductImages Tue Apr 15 2025 2:13 PM EDT

NEW ProductName Tue Apr 15 2025 12:53 PM EDT

NEW ProductReturnPolicyDetails Tue Dec 10 2024 3:17 PM EST

NEW ProductReturnPolicy Mon Jul 14 2025 5:04 PM EDT

Return Policy

NEW ProductReturnPolicy Tue Apr 15 2025 2:28 PM EDT

NEW ProductStickyBuyBox Wed Jul 02 2025 12:55 AM EDT

NEW PromoDiscount Tue Apr 15 2025 6:53 PM EDT

New SellersSecondaryBuyBox Module, Tuesday, September 05, 2023, 4:02:21:76 pm

Shop Confidently

NEW ShopWithConfidence Thu Jan 15 2026 2:20 PM EST

NEW SocialProofMessage Tue Apr 15 2025 7:17 PM EDT

NEW SoldAndShippedBy Mon Jul 14 2025 5:04 PM EDT

NEW SoldAndShippedBy Tue Apr 15 2025 2:23 PM EDT

New!

More savings, less stress.

HSK_Subscribetosave_E_v2

NEW SubscriptionOptionsModule Tue Apr 15 2025 6:44 PM EDT

NEW SubscriptionPriceMessage Wed Apr 23 2025 6:48 PM EDT

NEW Variants Wed Apr 23 2025 11:01 PM EDT

[Sticky] BuyBoxAd Mon Aug 11 2025 3:59 AM EDT

[Sticky] PriceInformation Mon Jul 14 2025 4:03 PM EDT

Syndigo

True

dWeb: L1/L2- Comparison Chart- WK 07, 2026

#000000

Item Carousel - Rich Relevance 1

RR carousel

Item Carousel - Rich Relevance 2

RR carousel 2

Item Carousel - Rich Relevance 3

Preamp Module, 3 Channel Audio Preamplifier Board NE5532 Easy Installation  For Replacement

<ul><li>NE5532P Chip: Other op amp chip such as OPA2604AP OP275G TL072, etc. can also be replaced, very simple and practical</li><li>Board Structure: 3 channel output, treble, bass, midrange, which ensures  sound quality and more audio enjoyment</li><li>Crossover Point: 500HZ, 5kHZ, that is, 20HZ-500HZ is bass output, 500HZ-5KHZ is midrange output, 5KHZ-20KHZ is treble output</li><li>Filter Type: Subtractive divider, also comes with -24dB/Oct attenuation slope, so the preamp module has high efficiency</li></ul>

Brand

Assembled Product Dimensions (L x W x H)

Assembled Product Weight

<br/><b>Specification:</b><br/>Item Type: Preamp Module<br>Model: NE5532<br>Material: PCBA<br>Attenuation Slope: -24dB/Oct<br>Product Size: Approx. 98 x 84 x 20mm / 3.86 x 3.31 x 0.79in<br>Power: DC positive and negative, dual 9-15V.  <br/><br/><b>Package List:</b><br/>1 x Preamp Module <br/><br/><b>Note:</b><br/><div>The 10k resistor in the picture above cannot be changed. </div><div>The R calculated by the calculation software is too large, such as C=1nF, f=5kHz, according to the  f=0.707/2X314Rc the data is very accurate, R=22k. So the following number. </div><div>According to Increase C by 10 times, R remains unchanged, f becomes 1/10 of the original For reference only: </div><div>When C=1nF, f=5kHz, R=225k the accurate data should be 22k</div><div>C=1nF, f=4.7kHz f, R=24K.</div><div>C=1nF, f=4.4kHz #f, R=256k.</div><div>C=1nF, f=4.1kHz f, R=183k</div><div>C=1nF, f=3.8kHz Hf, R=19.7k.</div><div>When C=1.5nF, f=3.5kH, R=214kC=1.5nF</div><div>When f=35kHz, R=21.4k</div><div>When C=15nF, f=32kHz, R=235k I used C=15nF, R=22k, use the  f=3333Hz, use soft piece f=3410Hz</div><div>C=2.2nF, f=3kHz Hf, R=17k</div><div>C=2.2nF, f=2.8kHz Hf, R=183k</div><div>C=2.2nF, f=2.5kHz f, R=20.5k.</div><div>C=2.2nF, f=2.2KHz Hf, R=233k</div><div>C=2.7nF, f=2.2kHz Bf, R=19k.</div><div>C=2.7nF, f=2KHz Hf, R=20.8k.</div><div>C=3.3nF, f=1.8kHz Hf, R=19k.</div><div>C=3.3nF, f=1.5kHz f, R=22.7k</div><div>When C=47nF=1.3kH, R=184k</div><div>C=4.7</div><div>At 1kHz, R=24k</div><div>C=6.8nF, f=1kHz f, R=16.6k.</div><div>When C=68nF, f=900Hz, R=18.4k</div><div>C=6.8nF, f=800Hz f, R=20.7k</div><div>C=6.8nF, f=700kHz Hf, R=23.6K.</div><div>When C=10nF, f=700Hz, R=16.1k</div><div>C=10nF, f=600Hz Hf, R=18.8k.</div><div>When C=10nF, f=500Hz, R=225k the accurate data should be 22k</div><div>The  effect is related to the relative accuracy of the resistance and capacitance data, especially the resistance needs to be relatively consistent in size. Choose the largest and smallest capacitance in the parallel connection place, so that the error will be smaller. </div>

Universal Product Code (UPC check)

Preamp Module, 3 Channel Audio Preamplifier Board NE5532 Easy Installation For Replacement

About this item

At a glance

Your data, your choice