iBasso PB5 OSPREY Balanced Vacuum Tube Portable Headphone Amplifier
- Powered by Dual Nutube 6P1 vacuum tubes
- Uses an advanced power supply with 6 batteries to provide consistency electrical separation between components
- 24 position, 4 section stepped attenuator with a channel tolerance of less than +/-0.1dB
- Delivers a tremendous 1700mW+1700mW@32ohm driving power
- Texas Instruments classic OPAMP OPA827, known for its exceptional performance and rich analog characteristics
- Low VCEsat (BISS) dual transistors with a high output current of up to 2 amps
- iBasso custom film capacitors contribute to the natural analog magic
- Cutting edge components and construction
- iBasso PB5 OSPREY unit
- Protective case
- 2 x 4.4mm interconnect cables
Product Availability | Available (current model) |
Product Type | Amplifier (Headphone) |
Style/Type | Portable |
Features | Line-in, High-Res Audio Certified |
Connectivity | Fully Wired |
Op-Amp / Amplifier | Texas Instruments OPA827 / KORG Nutube 6P1 (Dual) |
Bluetooth Version | - N.A - |
Bluetooth Codecs | - N.A. - |
Frequency Response (Hz) | 20Hz-40kHz +0.5dB/-2dB |
Max Output Power (mW / W) | 1700mW+1700mW@32ohm |
Input Connectivity Options | 4.4mm (5-Pole) [Balanced] |
Output Connectivity Options | 3.5mm Stereo, 4.4mm (5-Pole) [Balanced] |
Driveability (Output Impedance) (Ω) | 8 ~ 600Ω |
Colour | Black |
Battery Life (Hours) | 10.5 hours |
Product Dimensions | 139 x 82 x 28mm |
Product Weight (g) | 352g |
Package Contents |
|
Warranty | 1 year warranty (local) |
If you're based in Singapore,
- spend $300 or more for free doorstep delivery1.
($250 for Silver/Gold/Platinum VIP members) - add a few more bucks, for delivery during the night/weekend, or quicker prioritised delivery options2.
- self-collection is possible at our Showroom, based in Ubi (nearest to MacPherson MRT). Find out where, and how to get to us here.
- and yes, you may arrange your own 3rd party logistics to pickup your purchases on your behalf.
GrabExpress, Lalamove, GoGoX, RydeSEND services are welcome.
View additional Terms & Conditions associated to local doorstep delivery service.
Friends from Overseas,
- we do ship internationally.
- shipping fees are calculated according to total gross actual or volumetric weight of all item(s) in cart, whichever higher.
- shipping fees will vary depending on international carrier(s)3, and will be displayed during checkout.
- do be aware of additional import tax/VAT that may apply.
View additional Terms & Conditions associated to international door to door shipping service.
1 Terms and condition do apply for free delivery. For more information, click here to view.
2 View our updated list of local delivery options.
3 View our updated list of international carriers.
No Reviews Available Yet. Leave Your Review
Product Availability | Available (current model) |
Product Type | Amplifier (Headphone) |
Style/Type | Portable |
Features | Line-in, High-Res Audio Certified |
Connectivity | Fully Wired |
Op-Amp / Amplifier | Texas Instruments OPA827 / KORG Nutube 6P1 (Dual) |
Bluetooth Version | - N.A - |
Bluetooth Codecs | - N.A. - |
Frequency Response (Hz) | 20Hz-40kHz +0.5dB/-2dB |
Max Output Power (mW / W) | 1700mW+1700mW@32ohm |
Input Connectivity Options | 4.4mm (5-Pole) [Balanced] |
Output Connectivity Options | 3.5mm Stereo, 4.4mm (5-Pole) [Balanced] |
Driveability (Output Impedance) (Ω) | 8 ~ 600Ω |
Colour | Black |
Battery Life (Hours) | 10.5 hours |
Product Dimensions | 139 x 82 x 28mm |
Product Weight (g) | 352g |
Package Contents |
|
Warranty | 1 year warranty (local) |
No Reviews Available Yet. Leave Your Review

Calling All Audiophiles!
Experience Sound Rewards Today.
A reimagined shopping experience for our loyal customers awaits.