AN EVERY-DAY AUDIOPHILE’S BEST FRIEND
In a world with a plethora of value-based, inexpensive 2-channel small-sized amplifiers, a new option is now available for those who want better. RSL’s NEW iA255.1 takes an ultra-compact form factor to a new level of sound quality and feature-rich performance. The iA255.1 is a 2.1 integrated amplifier with 55 watts per channel and comes equipped with high-quality audiophile-grade components throughout for a cleaner and more detailed high-fidelity listening experience. The small stature allows for use in a myriad of applications, from high-end desktop systems, or maximizing your gaming experience, to upgrading your TV speakers or soundbar or just supplementing your home theater AVR. In all cases, the clean 55 watts per channel of power gives you plenty of juice to run your speakers at high volumes with exceptional clarity, sound staging, and dimension.
Connecting the iA255.1 is easy. Simply connect and choose your source: USB, RCA (line in), or Bluetooth. Integrate a Speedwoofer or any powered subwoofer with the iA255.1’s stereo/subwoofer pre-out. A selectable 90Hz high-pass filter feature greatly improves subwoofer integration and protects small speakers from unwanted, harmful low-bass frequencies.
Don’t let the iA255.1’s low price fool you. This amplifier will satisfy highly discerning listeners and those who just want a small, attainable solution that provides higher-fidelity audio. So, enjoy listening without an empty wallet… most of all, enjoy the sound!
FEATURES & APPLICATIONS
The iA255.1 features a unique combination of high-fidelity performance, function, and compact size.
Console or PC gamer? Simply connect to line-in, Bluetooth or USB Audio and enjoy all of the audio effects, imaging, and dynamics of the latest software releases!
TV Speakers or Soundbar not cutting it? Upgrade to an iA255.1 Integrated Stereo amplifier with a pair of RSL bookshelf speakers and sub to experience a true high-fidelity 2.1 audio solution in any room!
Looking to go full ATMOS™ and AVR doesn’t have enough amp channels? Add the compact iA255.1 amplifier and have plenty of power for a full expansive and immersive experience you’ve been missing!
Easy 2.1 audio in any room! Whether it’s your garage, dorm room, den, office, or bedroom, instantly connect via Bluetooth and enjoy the full audio spectrum with a 2.1 RSL bookshelf speakers and sub setup!
SPECIFICATIONS
![](http://rslspeakers.com/cdn/shop/files/ia255.1-Crosstalk-AP-measurement-scaled_e75c42b9-25fb-4c78-a3ee-b869ade6e6e9.jpg?v=1701181337)
IA255.1 CROSSTALK – AP MEASUREMENT
![](http://rslspeakers.com/cdn/shop/files/ia255.1-Signal-to-Noise-Ratio-Audio-Precision-Measurements_e7ec9b9e-e449-4ad4-bd90-b34c7a9638da.png?v=1701181337)
IA255.1 – SIGNAL TO NOISE AP MEASUREMENT
![](http://rslspeakers.com/cdn/shop/files/ia255.1-Frequency-Response-Full-range-and-High-pass-AP-measurement_4f0ee5c3-39cf-4584-8916-835124e42e4c.jpg?v=1701181337)
IA255.1 – FREQUENCY RESPONSE FULL RANGE AND HIGH-PASS – AP MEASUREMENT
![](http://rslspeakers.com/cdn/shop/files/ia255.1-Power-Output-_-1THD-AP-measurement-scaled_1.jpg?v=1701181337)
IA255.1 – POWER OUTPUT @ ~1%THD – AP MEASUREMENT
![](http://rslspeakers.com/cdn/shop/files/RSL-ia255.1-Front-HEAD-1-1024x696.png?v=1701181337)
![](http://rslspeakers.com/cdn/shop/files/RSL-ia255.1-Rear-ANGLE-2-1024x696.png?v=1701181337)
- power: 55 Watts RMS/Channel <1%THD @ 4ohm
- Type: Proprietary audiophile pre-amp stage, Class D output using MA12070 IC by Infineon
- S/N Ratio: 106dB
- Channel Separation: 106dB
- THD+N: <0.006 % 1000 Hz ~10W
- Internal High-pass Filter: 12dB/octave @ 90Hz, by passable via rear toggle switch
- Efficiency: >92% efficient
- Input Sensitivity: 185mV
- Input Impedance: 40k ohm
- Inputs: Stereo RCA (Line level), USB Audio (Type-C), Bluetooth 5.0 (APTx)
- Speaker Outputs: Gold-plated fully-insulated Clear banana jacks (chassis mounted)
- Pre-Outs: 3.5mm Stereo full-range signal output (standard line level)
- Bluetooth: Up to ~30ft. wireless range with detachable compact antenna
- Reset: Recessed button to forget and unpair BT device
- USB Audio: 16 bit, 48khz*(pending device interoperability)
- Power Consumption: 30W TYP. 168W MAX
- Bass: +-9dB @ ~100 Hz Varying shelf compensation
- Treble: +-9dB @ ~5000 Hz Varying shelf compensation
- Chassis: 6061 Extruded Aluminum Housing and CNC machined panels
- Product Dimensions: 5.48″ x 1.46″ x 5″
- Packaging Dimensions: 13″ x 3″ x 8″
- Product Weight: 0.87lbs
- Shipping Weight: 2.2lbs
- Warranty: 2 years