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Klipsch RB-61 II vs Acoustic Energy 305 Comparison

Comparison and Difference Between

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Brand and Model Specifications

Information about the brand, model release date.

ManufacturerKlipschAcoustic Energy
ModelRB-61 II305
Release Date20102013
What Hi-Fi? Rating -
Amazon Rating

Technical Specs

Technical characteristics of the speakers.

Amplification TypePassivePassive
Crossover Type2-Way3-Way
Enclosure typeBass ReflexBass Reflex
Frequency Range (+/-3 dB)[Hz]45 - 2400035 - 32000
Frequency Range (-6dB)[Hz]--
Maximum SPL [dB]--
Sensitivity (2,83 V/1 m)[dB]9590
Nominal Impedance (Ohms)88
THD (Total Harmonic Distortion)--
Recommended Amplifier Power [W]-200
Crossover Frequency [Hz]1500-
Bass Reflex Tuning Frequency [Hz]--
Driver Units

Tweeter: 1” (2.54cm) Titanium diaphragm compression driver mated to 90° x 60° square Tractrix® Horn
Mid/Bass Drivers: 6.5” (16.5cm) Cerametallic™ cone woofer

HF Driver: 1x 28mm custom AE design fabric dome
Mid Driver: 1x 110mm spun, hard-anodised aluminium cone
LF Driver: 2x 110mm spun, hard-anodised aluminium cones

InputsSingle WireSingle Wire
Magnetic ShieldingNoNo

Placements and Distances

Where and how to put them.

Form FactorShelf, StandFloor
Distance from Wall [cm]1515

Dimensions and Weight

Physical characteristics of the speakers (without stands).

Length~8.5 in
~215.9 mm
~21.59 cm
~ in
~0 mm
~0 cm
Width~12.3 in
~312.42 mm
~31.24 cm
~185 in
~4699 mm
~469.9 cm
Height~15.4 in
~391.16 mm
~39.12 cm
~ in
~0 mm
~0 cm
Weight (Single Speaker)~35.2 lb
~15966.45 g
~15.97 kg
~17 lb
~7711.07 g
~7.71 kg
Shipping Weight~38.3 lb
~17372.59 g
~17.37 kg
~34 lb
~15422.14 g
~15.42 kg

Colors and Accessories

List of available colors and optional accessories.

  • Black Ash
  • Cherry woodgrain vinyl
  • Gloss black
  • Gloss white

Detachable GrillesYesNo

Price and Warranty

Satisfaction is (not) guaranteed.

Warranty5 Years5 Years
Amazon Price


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