- Home Page /
- Electronics /
- Headphones, Earbuds & Accessories /
- Headphone Amplifiers /
- OnStage On-Stage HA4000 4-Channel Pro Headphone Amplifi...
0 ratings
Item #:
8398237
OnStage On-Stage HA4000 4-Channel Pro Headphone Amplifier,Black,White
86% of respondents would recommend this to a friend
Item #:
8398237
XAF 45240
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, October 07
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The HA4000 4-channel headphone amplifier allows up to four people to listen to a recorded take at the same time, while being able to adjust their own individual headphone volume with high quality sound is maintained even at full volume.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Four-Channel Output
The HA4000 offers four independent headphone outputs, allowing multiple users to listen simultaneously, making it ideal for collaborative settings like studios or practice spaces.
Individual Volume Control
Each channel features its own volume control, enabling users to adjust their listening level independently, ensuring optimal comfort and sound balance during shared sessions.
Compact Design
Designed with portability in mind, the HA4000 is lightweight and compact, making it easy to transport and set up in various environments like rehearsals or recording sessions.
Product Details
| Power Source | Wired Adapter |
| Special Features | Adjustable |
| Fit Type | Behind-the-Ear |
| Compatible Devices | Music players, computers, audio interfaces |
| Control Type | Button Control |
| Battery Description | Replaceable |
| Headphone Folding Features | Over-Ear or On-Ear |
| Noise Control | None |
| Audio Sensitivity | 20 db |
| Color | Black,White |
| Product Style | In The Ear |
| Material | Plastic |
| Brand Name | OnStage |
| Model Name | 1 |
| Model Number | HA4000 |
| Recommended Uses For Product | Recording, audio playback, multiple listener applications |
| Number of Items | 1 |
| Global Trade Identification Number | 00659814129737 |
| Manufacturer | Retail Solutions |
| Unit Count | 1 Count |
| UPC | 659814129737 |
| Item Type Name | Headphone Amp |
| Part Number | HA4000 |
| Brand | OnStage |
| Style | In The Ear |
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
-
Musicians in Studio
Ideal for musicians needing multiple headphone outputs during recording or rehearsals, ensuring everyone hears the mix.
-
Audio Engineers
Perfect for audio engineers needing to provide individual headphone mixes for different performers during live sessions.
-
Teachers in Class
Useful for educators conducting sound or music classes where multiple students require headphone access simultaneously.
-
High-End Audiophiles
Lacks the high fidelity features that audiophiles require for optimal sound resolution and clarity.
Product Description
OnStage On-Stage HA4000 4-Channel Pro Headphone Amplifier,Black,White
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the On-Stage HA4000 Four-Channel Headphone Amp?
Answer: The On-Stage HA4000 is a four-channel headphone amplifier designed to boost the audio signal for multiple users simultaneously. This device is particularly useful in studio settings or during live performances, allowing each user to adjust their individual volume levels. Its compact design makes it easy to integrate into any audio setup, whether for personal use or professional studio environments. -
Question:
What types of audio sources can I connect to the HA4000?
Answer: The HA4000 can connect to various audio sources, such as mixers, audio interfaces, and computers. This versatility makes it ideal for musicians, podcasters, and sound engineers. You can plug in a line-level signal to the main input and distribute the audio to four different headphone outputs with individual volume controls, ensuring each user hears precisely what they need for their role. -
Question:
How does the headphone volume control work on the HA4000?
Answer: Each of the four channels on the HA4000 features its own volume knob, allowing users to independently adjust their listening levels. This functionality is essential in collaborative environments, where each person may have different preferences for sound levels. It ensures that everyone can monitor their performance or the mix without interfering with others, making it particularly beneficial during group rehearsals or recording sessions. -
Question:
Can I use the HA4000 with different types of headphones?
Answer: Yes, the HA4000 is compatible with a wide range of headphones, thanks to its 1/4-inch headphone outputs. Whether you're using studio headphones or consumer-grade models, the amp will deliver a clear and powerful audio signal. This compatibility makes it an excellent choice for any situation requiring multiple headphone outputs, from home studios to live performance setups. -
Question:
Is the On-Stage HA4000 portable?
Answer: The compact and lightweight design of the HA4000 makes it highly portable. Its small footprint allows it to be easily transported between different venues or studios without hassle. This feature is especially advantageous for artists and sound technicians who often work in diverse locations, ensuring that high-quality headphone amplification is always at hand without taking up too much space. -
Question:
Can the HA4000 handle high-impedance headphones?
Answer: Absolutely, the HA4000 is designed to work effectively with both low- and high-impedance headphones. This flexibility ensures that audiophiles can use their preferred gear without sacrificing sound quality or volume. Whether you’re mixing tracks on studio monitors or using high-impedance audiophile headphones, the HA4000 provides the necessary power and clarity. -
Question:
Does the HA4000 require an external power supply?
Answer: Yes, the HA4000 requires an external power supply to function. It comes with a power adapter that plugs into a standard wall outlet. This setup helps ensure that the amplifier is adequately powered for optimal performance, enabling rich audio output for all connected headphones. It's essential to connect it to a reliable power source, especially during intense studio sessions or live performances. -
Question:
What makes the HA4000 a suitable choice for musicians?
Answer: The HA4000 is tailored for musicians due to its ability to support multiple headphone outputs while maintaining high audio quality. Musicians can monitor their instruments or vocals in real time without delays, which is vital for recording sessions. Additionally, the individual volume controls help each musician find their ideal mix, leading to more cohesive and productive rehearsals. -
Question:
What are the benefits of using a headphone amp like the HA4000?
Answer: Using the HA4000 allows for better audio monitoring in group settings, enhancing the overall sound experience. It minimizes sound bleed, ensuring that each user can focus on their performance. The individual volume controls empower users to customize their listening experience, promoting a better collaborative environment. This is particularly useful in music studios, theaters, or any scenario where multiple listeners are involved. -
Question:
Where can I buy the On-Stage HA4000 Four-Channel Headphone Amp in Central African Republic?
Answer: You can purchase the On-Stage HA4000 Four-Channel Headphone Amp at Ubuy, which offers a great selection of audio equipment, including this headphone amplifier. Ubuy provides convenient access to this product along with customer support, ensuring you have a smooth shopping experience.
OnStage Amplifiers HA4000 Editorial Review
The On-Stage HA4000 4-Channel Pro Headphone Amplifier is a lightweight and compact headphone amplifier suitable for home studios and small podcast productions. Despite not being a high-end amplifier, the sound quality is good and surprises customers. The low noise attribute and smooth volume control with enough gain are appreciated, but some customers note that it does not have a power switch, which can be inconvenient. The On-Stage HA4000 is recommended for those looking for a more affordable headphone amplifier that can hold its own.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Good sound quality
- Low noise attribute
- Smooth volume control
- Lightweight and compact
Cons
- No power switch
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
XAF 45240
Order now and get it around Wednesday, October 07
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Allows up to up to four people to listen at the same time
- Individually adjustable volume for each output
- Maintains high quality sound even at full volume
- Great for use during playing or recording
- Input impedance of 1000 kiloohms (unbalanced) and output impedance of 10 ohms minimum on each channel
- Max Gain: 20dB per channel
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.