iBasso DX270 R2R Ultra Portable Music Player - AccuSilicon DAC 4G+128G Hi-Res Audio

iBasso DX270 R2R Ultra Portable Music Player with AccuSilicon DAC

Revolutionary R2R ladder DAC technology meets flagship Android performance—experience music with unparalleled analog warmth and digital precision.

The iBasso DX270 represents a breakthrough in portable audio, featuring iBasso's proprietary R2R Ultra AccuSilicon DAC architecture that delivers the natural, musical sound signature of discrete resistor ladder conversion. Unlike conventional delta-sigma DACs, the DX270's R2R design provides authentic analog-like tonality with exceptional detail retrieval and zero digital harshness. Powered by a flagship Snapdragon processor with 4GB RAM and 128GB storage, running full Android OS, the DX270 combines reference-grade audio performance with modern streaming capabilities. With balanced 4.4mm output, comprehensive format support including DSD512 and PCM768kHz, premium metal construction, and iBasso's legendary amplification circuitry, the DX270 is the ultimate portable music player for audiophiles who demand both technical excellence and musical engagement.

Key Features

• R2R Ultra AccuSilicon DAC Technology: iBasso's proprietary discrete resistor ladder DAC delivers authentic analog-like sound with natural tonality, smooth treble, and rich harmonic texture. Unlike delta-sigma DACs, R2R architecture provides zero digital glare and exceptional musicality.
• Flagship Android Performance: Qualcomm Snapdragon processor with 4GB RAM ensures smooth operation of streaming apps (Spotify, Tidal, Qobuz, Apple Music), local playback, and multitasking without lag or stuttering.
• Massive Storage Capacity: 128GB internal storage plus microSD card expansion (up to 2TB) provides space for thousands of Hi-Res albums. Never compromise on your music library size.
• Ultimate Format Support: Native playback of DSD512, DSD256, DSD128, DSD64, PCM up to 768kHz/32-bit, plus all popular lossy and lossless formats (FLAC, WAV, ALAC, APE, AAC, MP3, WMA, AIFF, Ogg).
• Dual Output Architecture: 3.5mm single-ended and 4.4mm balanced outputs with independent amplification stages. Balanced output delivers superior channel separation, lower noise floor, and increased power for demanding headphones.
• Premium Metal Construction: CNC-machined aluminum chassis (136×73.5×19mm) with precision volume wheel, tactile buttons, and stunning industrial design. Built to last with excellent electromagnetic shielding.
• High-Resolution Touchscreen: Responsive IPS display with intuitive Android interface makes navigation, library management, and app usage effortless.
• Exceptional Battery Life: High-capacity battery provides 10-15 hours of continuous playback, ensuring all-day listening without anxiety.
• Bluetooth & USB DAC: Bluetooth 5.0 with LDAC/aptX HD support for wireless listening, plus USB DAC mode transforms the DX270 into a premium desktop DAC/amp.

Technical Specifications

What's in the Box

• iBasso DX270 Portable Music Player (1 Unit)
• USB Type-C Charging Cable (1 Piece)
• Premium Leather Case (1 Piece)
• Screen Protector (Pre-applied or Extra)
• User Manual (1 Copy)
• Warranty Card (1 Copy)

R2R Ultra AccuSilicon DAC Technology

The heart of the DX270 is iBasso's revolutionary R2R Ultra AccuSilicon DAC, representing years of research and development:

• Discrete Resistor Ladder Architecture: Unlike conventional delta-sigma DACs that use oversampling and noise shaping, R2R DACs convert digital signals directly to analog using precision-matched resistor networks. This results in more natural, organic sound with zero digital artifacts.
• AccuSilicon Technology: iBasso's proprietary silicon-based resistor implementation achieves unprecedented accuracy and thermal stability, ensuring consistent performance across all operating conditions.
• Analog-Like Tonality: R2R conversion delivers the smooth, musical character traditionally associated with high-end analog equipment—rich harmonic texture, natural timbre, and effortless musicality.
• Zero Digital Glare: The absence of delta-sigma modulation eliminates the harsh, fatiguing treble and artificial edge that plague many digital sources. The DX270 sounds natural and engaging even during extended listening sessions.
• Exceptional Linearity: Precision-matched resistor networks ensure accurate conversion across the entire dynamic range, from the quietest whispers to the loudest crescendos.

Sound Performance & Quality

The DX270 delivers a transformative listening experience that redefines portable audio:

• Natural, Musical Tonality: The R2R DAC provides authentic analog-like sound with rich harmonic texture and natural timbre. Instruments and voices sound lifelike and organic, never harsh or fatiguing.
• Exceptional Detail Retrieval: Despite its smooth, musical character, the DX270 reveals micro-details and subtle nuances with exceptional clarity. You'll hear textures, ambience, and spatial cues that lesser players miss.
• Powerful, Clean Amplification: Dual amplification stages (single-ended and balanced) deliver ample power with ultra-low distortion. The DX270 drives everything from sensitive IEMs to demanding planar magnetic headphones with authority and control.
• Black Background: Advanced power supply design and circuit layout create a perfectly silent background, allowing even the quietest musical passages to emerge with clarity and presence.
• Balanced Output Advantage: The 4.4mm balanced output provides superior channel separation, lower noise floor, and increased power—ideal for high-end IEMs and headphones that can take advantage of balanced topology.
• Wide Soundstage: Precise imaging and expansive soundstage create an immersive listening experience with accurate instrument placement and three-dimensional depth.

Android OS & Streaming Capabilities

The DX270 combines audiophile-grade hardware with modern software convenience:

• Full Android Experience: Access Google Play Store to install your favorite streaming apps, music players, and utilities. The DX270 is a complete Android device optimized for audio.
• Streaming Service Support: Enjoy Tidal Masters (MQA), Qobuz Hi-Res, Spotify, Apple Music, Amazon Music HD, YouTube Music, and more—all with bit-perfect output through the R2R DAC.
• Local Playback Excellence: iBasso's optimized music player app provides gapless playback, comprehensive library management, and support for all Hi-Res formats including DSD512.
• Smooth Performance: Flagship Snapdragon processor with 4GB RAM ensures responsive UI, fast app loading, and seamless multitasking without audio dropouts or stuttering.
• Wi-Fi Connectivity: Download music, stream services, and update firmware over Wi-Fi. The DX270 is always connected and up-to-date.

Versatile Connectivity & Use Cases

The DX270 excels in multiple scenarios:

• Portable Hi-Res Player: Take your entire music library anywhere with 128GB internal storage plus microSD expansion. Perfect for commuting, travel, and on-the-go listening.
• Desktop USB DAC/Amp: Connect to your computer via USB-C and use the DX270 as a reference-grade desktop DAC and headphone amplifier. Transforms any computer into a high-end audio source.
• Streaming Hub: Access all major streaming services with audiophile-grade playback quality. The DX270 makes streaming sound as good as local Hi-Res files.
• Bluetooth Transmitter: Send high-quality wireless audio to Bluetooth headphones or speakers using LDAC or aptX HD codecs for near-lossless wireless performance.
• Line Out to Desktop System: Use the DX270 as a digital transport and DAC for your desktop system, connecting to powered monitors or a power amplifier.

Why Choose iBasso DX270?

The DX270 represents exceptional value for audiophiles seeking flagship portable performance:

• Revolutionary R2R DAC: iBasso's proprietary AccuSilicon technology delivers analog-like musicality that delta-sigma DACs cannot match—natural tonality, rich harmonics, and zero digital harshness.
• Flagship Performance: Powerful amplification, exceptional measurements (≥110dB SNR, <0.0005% THD+N), and comprehensive format support rival desktop systems costing significantly more.
• Modern Convenience: Full Android OS with streaming app support means you never compromise between sound quality and convenience. Enjoy both Hi-Res local files and streaming services.
• Massive Storage: 128GB internal + microSD expansion provides space for thousands of albums. Never delete music to make room.
• Premium Build Quality: CNC-machined aluminum construction, precision volume wheel, and stunning industrial design reflect the DX270's flagship status.
• Versatile Outputs: Dual output options (3.5mm and 4.4mm balanced) with ample power drive any IEM or headphone with authority.
• iBasso's Proven Expertise: Benefit from iBasso's decades of experience in portable audio and their reputation for exceptional engineering and sound quality.

Setup & Usage Recommendations

• Burn-In Period: Allow 50-100 hours of playback for the R2R DAC and amplification circuitry to fully settle and reach optimal performance.
• Output Selection: Use balanced 4.4mm output for maximum performance with compatible IEMs and headphones. Single-ended 3.5mm works beautifully for sensitive IEMs.
• Gain Settings: Adjust gain (low/medium/high) based on your headphones' sensitivity. Start with low gain for sensitive IEMs, high gain for demanding planars.
• Streaming Quality: Set streaming apps to highest quality (Tidal Masters, Qobuz Hi-Res 24-bit) to take full advantage of the R2R DAC's capabilities.
• Battery Management: For longest battery life, avoid fully depleting the battery. Charge when indicator shows 20-30% remaining.
• Storage Management: Use high-quality microSD cards (Class 10 or UHS-I) for reliable Hi-Res file playback without dropouts.

Perfect For

• Audiophiles seeking flagship portable performance
• Hi-Res music collectors with large libraries
• Streaming enthusiasts who demand audiophile quality
• Travelers who want reference-grade audio on the go
• Desktop users seeking a versatile USB DAC/amp
• IEM and headphone enthusiasts with demanding gear
• Anyone who appreciates natural, musical sound