IOTAVX AVXP 2-840

The IOTAVX AVXP 2-840 represents the perfect alliance between raw power and sonic refinement. Crowned as one of the eleven best power amplifiers of the decade by AREADVD magazine, this model stands out for its impressive performance of 840 watts per channel at 4 ohms (580 watts at 8 ohms) and its dual-mono architecture, ensuring sound reproduction of remarkable finesse. Its robust design and high-quality components make it a top choice for demanding audiophiles seeking equipment capable of delivering every musical nuance, even in the most complex passages.

Colossal Power Under Total Control

The AVXP 2-840 is not just a powerful amplifier—it’s a concentration of mastery. Its ability to deliver 840 watts per channel at 4 ohms allows it to effortlessly drive even the most demanding speakers, including those with critical impedance or low sensitivity. This considerable power reserve ensures uncompressed reproduction of the most dynamic musical passages, even in large listening rooms.

Unlike many high-power amplifiers that sacrifice finesse for brute force, the AVXP 2-840 maintains sovereign control across the entire sound spectrum. The bass is deep, articulated, and perfectly controlled, while the mids and highs retain their richness and transparency. This rare combination of power and control delivers explosive dynamics at all listening levels, turning every listening session into a captivating sonic adventure.

Dual-Mono Architecture: Separation in the Service of Precision

The secret behind the AVXP 2-840’s exceptional performance lies in its rigorous dual-mono architecture. Each channel has its own completely independent amplification section, powered by a dedicated high-performance toroidal transformer. This design virtually eliminates any interference between channels, ensuring optimal stereo separation and a three-dimensional soundstage of remarkable precision.

This sophisticated architecture, usually reserved for much more expensive high-end amplifiers, allows the AVXP 2-840 to reproduce the finest details of voices and instruments with striking authenticity. Vocals are rendered with exceptional presence and articulation, revealing the subtlest nuances of vocal performances. This ability to sculpt every sonic element while preserving the overall coherence of the interpretation makes this amplifier a privileged tool for fully appreciating the richness of musical recordings.

Premium Components for Impeccable Sound Quality

The AVXP 2-840 makes no compromises on component quality. Its two oversized toroidal transformers can handle up to 2,640 watts of input power, ensuring stable power delivery even during the most demanding peaks. To support sudden dynamic jumps, the amplifier boasts an impressive energy storage capacity of 160,000 µF, allowing it to respond instantly to variations in the musical signal.

This generosity in component sizing results in an exceptionally low distortion rate (≤0.015% at maximum power) and an excellent signal-to-noise ratio of 113 dBA. These technical characteristics translate into sound of remarkable purity, free from artificial coloration. The AVXP 2-840 behaves like “a simple wire with gain,” faithfully transmitting the musical signal without adding its own sonic signature.

Remarkable Musical Versatility

While the AVXP 2-840 impresses with its ability to reproduce the most dynamic passages with authority, it also excels in the reproduction of classical or jazz works that demand finesse and subtlety. Its sovereignty and control reveal every facet and musical detail, even in the most delicate passages.

The amplifier offers a soundstage of remarkable width and depth, with precise differentiation of instruments even in complex musical passages. The optimal structuring of the sound image and the charismatic rendering of vocal details turn listening to voices into an intensely atmospheric experience. This versatility makes the AVXP 2-840 an ideal partner for all musical genres, able to adapt as well to the energetic demands of rock as to the harmonic subtleties of classical music.

Comprehensive Connectivity for Optimal Integration

The AVXP 2-840 features comprehensive connectivity, including standard RCA inputs and balanced XLR inputs. This dual option allows seamless integration with virtually any preamplifier, whether it’s a modern solid-state model or a tube preamp for those seeking a warmer coloration.

This connection flexibility is matched by great adaptability in terms of installation. Despite its substantial dimensions (43.5 × 42.3 × 18.3 cm) and significant weight (30.4 kg) requiring a sturdy support, the amplifier integrates elegantly into an existing hi-fi system. Its understated and elegant front panel reflects IOTAVX’s design philosophy: the focus is on performance rather than superfluous aesthetic flourishes.

Technical Specifications

General Information

• Type: Stereo power amplifier
• Dimensions (W × H × D): 435 × 183 × 423 (453) mm (including terminals)
• Weight: 30.4 kg

Audio Performance

• Output power (RMS):
  • 580 W (8 Ω, 2 channels)
  • 840 W (4 Ω, 2 channels)
• Frequency response (+/-1 dB): 10 Hz - 35 kHz
• Distortion (THD+N): ≤ 0.015% (max power, 1 kHz)
• Signal-to-noise ratio: 113 dBA

Connectivity

• RCA inputs
• Balanced XLR inputs

Power Supply

• Power supply: 115 VAC or 230 VAC, @ 50/60 Hz (automatic switching)
• Transformers: 2 high-performance toroidal transformers
• Buffer capacitor: 160,000 µF
• Maximum power consumption: 2,640 W
• Standby power consumption: < 0.5 W