Where are these manufactured?

I’m pretty sure these are made in the plant down the street from me. Check their website. Otto Engineering of Carpentersville Illinois.

Can volume be adjusted for each ear

Yes, but there are only TWO settings... and it’s not as good on sound canceling / reduction when firing weapons as a standard peltor or similar ear pro device.

Is it possible to replace the rechargable batteries as they age, or you have to buy another set? (and if not replaceable, approx. how many charges?)

Not replaceable. You would have to buy another set

Anyone use these for loud music, or concerts?

I’ve use these for figure eight derbies and they were great but they’re not a license Dealer and they will not honor the one-year warranty

Otto エンジニアリング Noizebarrier Micro ブラック V4 11029

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🔊 Hear smart, protect sharper — NoizeBarrier Micro keeps you in the moment.

CUSTOM FIT COMFORT - Multiple reusable ear tips ensure a perfect, secure fit for all-day wear.
ELITE NOISE DEFENSE - Blocks up to 40dB of sudden loud sounds for ultimate ear safety.
POWERFUL PORTABLE - Waterproof charging case delivers up to 20 full charges on the go.
SEAMLESS TOUCH CONTROL - One-touch pad toggles between noise reduction and hearing enhancement modes effortlessly.
SMART SOUND AMPLIFICATION - Amplifies soft sounds 5x to catch every detail in meetings or concerts.

The OTTO Engineering NoizeBarrier Micro V4-11029 is a cutting-edge noise protection earplug designed for professionals who demand both safety and clarity. Offering up to 40dB impulse noise reduction, adaptive noise control, and a hearing enhancement mode that amplifies soft sounds by 5 times, it ensures you never miss a beat. Its balanced armature receiver delivers high-definition sound quality, while the waterproof charging case provides up to 20 charges, making it perfect for busy, on-the-go lifestyles. With customizable ear tips and intuitive touch controls, it blends comfort, convenience, and advanced technology in a sleek black design.

Specifications

ASIN	B07SSDDND1
ASIN	B07SSDDND1
Amazon 売れ筋ランキング	ドラッグストア - 360,701位 ( ドラッグストアの売れ筋ランキングを見る ) 耳栓 - 2,257位
GTIN (Global Trade Identification Number)	00737488048100
UPC	737488048100
おすすめ度	4.5 5つ星のうち4.5 (221) var
カスタマーレビュー	4.5 5つ星のうち4.5 (221) var dpAcrHasRegisteredArcLinkClickAction; P.when('A', 'ready').execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( 'acrLink-click-metrics', 'click', { "allowLinkDefault": true }, function (event) { if (window.ue) { ue.count("acrLinkClickCount", (ue.count("acrLinkClickCount") \|\| 0) + 1); } } ); } …
カラー	ブラック
サイズ	1 Count (Pack of 1)
スタイル名	コードなし
セット数	2
ノイズ除去レベル (最大 dB)	40 decibels
パッケージサイズ名	2個入り。
ブランド名	OTTO Engineering
メーカー	OTTO Engineering
メーカー名	OTTO Engineering
メーカー型番	V4-11029
ユニット数	1 個
再使用可能性	部分的に再利用可能。
単一数値評価（SNR）	15 デシベル
商品の入り数	1
商品の形状	ペア
商品の推奨用途	ノイズ保護
商品の重量	0.75 ポンド
商品モデル番号	V4-11029
商品本体サイズ	13.5 x 13.2 x 6.4 cm
型番	V4-11029
特殊な用途	工業現場、コンサート、会議などの高い騒音環境、聴覚強化モードでソフトサウンドを増幅するための使用
素材	シリコーンプラスチック
製品サイズ	13.46 x 13.21 x 6.35 cm; 340.19 g
部門	ユニ-大人
電池	2 リチウムイオン電池(付属)
騒音低減率（NRR）	28 デシベル

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OTTO エンジニアリング NoizeBarrier Micro、ブラック、V4-11029。

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