Parasound JCM250 Monoblock

Parasound JCM250 Monoblock Power Amplifier

Compact high-current monoblock amplifier delivering 250 watts of precision power with the clarity and musical control Parasound is known for.

The Parasound JCM250 Monoblock Power Amplifier is engineered by legendary designer John Curl to deliver exceptional performance in a slim 2U chassis. It produces 250 watts into 8 ohms, 450 watts into 4 ohms, and up to 800 watts into 2 ohms, providing incredible headroom and stability for even the most demanding speakers.

The Parasound JCM250 operates in high-bias Class A/AB mode, offering the first 8 watts in pure Class A operation for smooth, detailed sound before transitioning to powerful Class AB for full output. Its design features a direct-coupled signal path, independent power supplies for key stages, and peak current delivery up to 100 amps for precise dynamics and low distortion.

Connectivity is flexible with balanced XLR and unbalanced RCA inputs, plus loop outputs for bi-amping or daisy chaining. Premium gold-plated binding posts ensure secure, high-current speaker connections. Despite its compact size, the Parasound JCM250 delivers true reference-grade power and effortless musicality.

In Stock. For assistance or product questions, call 443-402-5055 or text 443-402-5064 to reach our team. All Elite Audio is an authorized Maryland dealer and operates a full home audio showroom.

Key Specifications
Power Output: 250 W @ 8 Ω / 450 W @ 4 Ω / 800 W @ 2 Ω
Class A Output: 8 W (High Bias) / 4 W (Low Bias)
Peak Current: 100 Amps
Frequency Response: 2 Hz – 110 kHz (+0/-2 dB)
THD: < 0.15% at rated power
Gain: 29 dB (Normal) / 23 dB (Low)
Input Options: Balanced XLR and Unbalanced RCA
Dimensions (W × H × D): 17.25″ × 3.5″ × 20″
Weight: 42 lbs

Top 20 Questions About Parasound JCM250 Monoblock Power Amplifier

How much power does the Parasound JCM250 Monoblock produce?
It delivers 250 watts into 8 ohms, 450 watts into 4 ohms, and 800 watts into 2 ohms for high-current performance.

Who designed the Parasound JCM250 Monoblock Power Amplifier?
It was designed by John Curl, Parasound’s legendary amplifier engineer.

Does the Parasound JCM250 operate in Class A mode?
Yes, it operates in pure Class A for the first few watts before transitioning to high-bias Class AB.

What makes the Parasound JCM250 ideal for demanding speakers?
Its 100-amp peak current capability and ultra-stable power supply easily handle low-impedance loads.

Does the Parasound JCM250 include balanced connections?
Yes, it includes both balanced XLR and unbalanced RCA inputs.

Can I use two Parasound JCM250 amplifiers for stereo?
Yes, using one JCM250 per channel creates a true dual-mono stereo configuration.

What gain options are available on the Parasound JCM250?
You can select 29 dB (Normal) or 23 dB (Low) gain to best match your preamplifier.

How quiet is the Parasound JCM250 during operation?
It has an ultra-low noise floor, with a signal-to-noise ratio exceeding 120 dB.

Is the Parasound JCM250 stable with low-impedance loads?
Yes, it remains completely stable with speaker impedance dips below 2 ohms.

What type of power transformer is used in the Parasound JCM250?
It features a high-capacity power supply designed for clean, stable current delivery.

Does the Parasound JCM250 include protection circuits?
Yes, it includes DC servo, thermal, inrush, and soft-start protection circuits.

What are the available bias modes on the Parasound JCM250?
You can choose High Bias (8 watts Class A) or Low Bias (4 watts Class A).

What makes the Parasound JCM250’s sound signature special?
It combines Class A smoothness with Class AB power for effortless dynamics and tonal realism.

How compact is the Parasound JCM250?
At only 3.5 inches tall (2U rack height), it fits neatly into racks or low-profile systems.

What is the total harmonic distortion (THD) of the Parasound JCM250?
Less than 0.15% at full power and less than 0.02% at typical listening levels.

What type of speaker terminals does the Parasound JCM250 use?
High-quality gold-plated 5-way binding posts for secure connections.

Is the Parasound JCM250 suitable for home theater systems?
Yes, it’s ideal for powering front channels or high-end zones in advanced systems.

Can the Parasound JCM250 be rack-mounted?
Yes, it’s a 2U design suitable for professional rack installations.

What is the weight of the Parasound JCM250 Monoblock?
It weighs approximately 42 lbs, reflecting its solid build and transformer mass.

What is the Warranty for the Parasound JCM250 Power Amplifier?
It includes a five-year parts and labor warranty from All Elite Audio.

How can I get expert help with the Parasound JCM250?
For assistance or product questions, call 443-402-5055 or text 443-402-5064 to reach our team at All Elite Audio, your authorized Maryland dealer with a full home audio showroom.