Power Amplifier

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Halo A21+ — Power You Can Feel, Control You'll Love The Parasound Halo A21+ delivers commanding power with effortless musicality. At 300 W per channel into 8 Ω (500 W into 4 Ω), and up to 1,000 W bridged, it drives any loudspeaker with authority while keeping the sound spacious, controlled, and fatigue-free. Based on legendary John Curl's circuit design, the A21+ refines Parasound's most celebrated power amp for today's systems—blending raw performance with elegant simplicity. Balanced XLR and RCA inputs, 2 Ω stability, and flexible bridging make it an ideal match for both stereo and home theater setups. Praised by audiophiles and reviewers alike:"The soundstage just bloomed. Bass is crisp… mids and highs are singing.""Ridiculously high damping… bass is tight and controlled at all volumes.""Delightful and satisfying from the first note… impossible to fault." Winner of multiple awards and recommendations, including:Secrets of Home Theater & High Fidelity – Best Stereo Power Amplifier (2024)Stereophile – Recommended ComponentFuture Audiophile – "Best Affordable Audiophile Power Amp" Covered by Parasound's 3-Year Parts & Labor Warranty. Terms effective September 1, 2026.

Space-saving stereo amp with 120Wpc of Class A/AB power. The A23+ offers rich sound, clean detail, and versatile system flexibility in a compact chassis.

Power You Can Feel Drop the A31 into your system and everything locks in: voices stand center‑stage, low end digs deeper without bloat, and effects surge with head‑turning impact. It’s the missing muscle your movies and music have been asking for. Designed by legendary audio engineer John Curl, it runs high‑bias Class A/AB (the first ~7 watts in pure Class A) with a direct‑coupled signal path for maximum clarity. A 1.5 kVA toroidal transformer and 98,400 µF of filter capacitance supply clean current on demand, while 250 W x3 into 8 Ω (400 W x3 into 4 Ω), balanced XLR and RCA inputs, and THX Ultra2 certification make integration straightforward in serious home theaters. Praised by audiophiles and reviewers alike: “Clear, detailed sound that belies its price…a joy to listen to.” — SoundStage! Access (Reviewers’ Choice) “Impeccable in fit and finish…powerful but refined.” — Secrets of Home Theater & High Fidelity Covered by Parasound's 3-Year Parts & Labor Warranty. Terms effective September 1, 2026.

Bring the Cinematic Experience Home Add the A51 to your home theater and watch—or listen—everything transform. This five‑channel amp effortlessly boosts your AVR, powering your front and surrounds with clean, room-filling performance that punches well above its price. Designed by John Curl, the A51 runs high‑bias Class A/AB in a direct‑coupled topology for maximum clarity. It delivers 250 W x5 into 8 Ω (400 W x5 into 4 Ω) with THX Ultra2 certification, fed by a 2.2 kVA toroidal transformer and 164,000 µF of filter capacitance for clean current on demand. Balanced XLR and RCA inputs make it a drop‑in upgrade for any AVR/processor with pre‑outs. Praised by audiophiles and reviewers alike: “Midrange was totally seductive…with music, the A51 radiated sweetness and light. With action films, it rained thunder and lightning.” — Sound & Vision (Barry Willis) “Benchmark levels of performance at a reasonable price.” — Home Theater Review “More than capable of driving any speaker load…a true winner!” — Audioholics Covered by Parasound's 3-Year Parts & Labor Warranty. Terms effective September 1, 2026.

Big‑System Sound, Smaller Footprint Drop the A52+ into your system and the whole room wakes up. Voices lock center‑stage, bass tightens without bloat, and big moments hit with the kind of weight that turns movie night into a grin‑inducing event—no rack overhaul required. Designed by John Curl, the A52+ runs high‑bias Class A/AB in a direct‑coupled topology for effortless clarity. It delivers 180 W x5 into 8 Ω (255 W x5 into 4 Ω) with a custom 1.5 kVA toroidal transformer (independent secondary windings per channel) and 100,000 µF of reserve for clean current on demand. Full power is rated down to 5 Hz, and integration is simple: five XLR + five RCA inputs, plus 12 V trigger or audio‑sense auto‑on for any AVR/processor with pre‑outs. Praised by audiophiles and reviewers alike: “Delivers clear, dynamic sound and has plenty of headroom to handle the explosive effects in movie soundtracks.” — Sound & Vision (Al Griffin). “Overall, I really liked Parasound’s Halo A 52+ in every way.” — Stereophile (Kalman Rubinson). Covered by Parasound's 3-Year Parts & Labor Warranty. Terms effective September 1, 2026.